Document:

EXHIBIT 4.6
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NEITHER THIS WARRANT NOR THE SHARES OF CLASS A VOTING COMMON STOCK ISSUABLE UPON
EXERCISE OF THIS WARRANT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933,
AND NEITHER THIS WARRANT NOR SUCH SHARES MAY BE SOLD, ENCUMBERED OR OTHERWISE
TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH
ACT OR AN EXEMPTION FROM SUCH REGISTRATION REQUIREMENT, AND, IF AN EXEMPTION
SHALL BE APPLICABLE, THE HOLDER SHALL HAVE DELIVERED AN OPINION OF COUNSEL
ACCEPTABLE TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.

      Void after 5:00 p.m. Eastern Standard Time, on [___________], 20[__]

            WARRANT TO PURCHASE SHARES OF CLASS A VOTING COMMON STOCK

                                       OF

                         LOCATEPLUS HOLDINGS CORPORATION

     FOR VALUE RECEIVED, LOCATEPLUS HOLDINGS CORPORATION (the "Company"), a
Delaware corporation, hereby certifies that [____________] or his permitted
assigns, is entitled to purchase from the Company, at any time or from time to
time commencing on the date hereof, and prior to 5:00 P.M., Eastern Standard
Time, on [____________], a total of [____________] fully paid and non-assessable
shares of the Class A Voting Common Stock, par value $.01 per share, of the
Company for an aggregate purchase price of $[____________]. Such warrants will
be exercisable for a period of ten years at an exercise price of $[____________]
per share. (Hereinafter, (I) said Class A Voting Common Stock, together with any
other equity securities which may be issued by the Company with respect thereto
or in substitution therefor, is referred to as the "Common Stock", (II) the
shares of the Common Stock purchasable hereunder are referred to as the "Warrant
Shares", (III) the aggregate purchase price payable hereunder for the Warrant
Shares is referred to as the "Aggregate Warrant Price", (IV) the price payable
hereunder for each of the Warrant Shares is referred to as the "Per Share
Warrant Price", (V) this Warrant, and all warrants hereafter issued in exchange
or substitution for this Warrant are referred to as the "Warrant" and (VI) the
holder of this Warrant is referred to as the "Holder".) The Per Share Warrant
Price is subject to adjustment as hereinafter provided.

     1.     EXERCISE OF WARRANT.

            (a) CASH EXERCISE. This Warrant may be exercised, in whole at any
time or in part from time to time, commencing on the date hereof and prior to
5:00 P.M., Eastern Standard Time, on [____________] (the "Expiration Date"), by
the Holder of this Warrant by the surrender of this Warrant (with the
subscription form at the end hereof duly executed) at the address set forth in
Subsection 9(a) hereof, together with proper payment of the Aggregate Warrant
Price, or the proportionate part thereof if this Warrant is exercised in part.
Payment for Warrant Shares shall be made by certified or official bank check
payable to the order of the Company. If this Warrant is exercised in part, this
Warrant must be exercised for a minimum of 100 shares of the Common Stock, and
the Holder is entitled to receive a new Warrant covering the number of Warrant
Shares in respect of which this Warrant has not been exercised and setting forth
the proportionate part of the Aggregate Warrant Price applicable to such Warrant
<PAGE>

Shares. Upon such surrender of this Warrant, the Company will (i) issue a
certificate or certificates in the name of the Holder for the largest number of
whole shares of the Common Stock to which the Holder shall be entitled and, if
this Warrant is exercised in whole, in lieu of any fractional share of the
Common Stock to which the Holder shall be entitled, cash equal to the fair value
of such fractional share (determined in such reasonable manner as the Board of
Directors of the Company shall determine), and (ii) deliver the proportionate
part thereof if this Warrant is exercised in part, pursuant to the provisions of
the Warrant.

            (b) NET ISSUANCE. In addition to the rights set forth in Section
1(a) hereof, the Holder shall have the right (the "Conversion Right") to require
the Company to convert this Warrant, in whole or in part, at any time prior to
the Expiration Date into shares of Common Stock as provided for in this Section
1(b). At the sole option of the Holder, upon exercise of the Conversion Right,
the Company shall deliver to the Holder (without payment by the Holder of any
Purchase Price) that number of shares of Common Stock equal to the quotient
obtained by dividing (X) the difference between (I) the Fair Market Value of the
number of shares of Common Stock for which this Warrant may be exercised, minus
(II) the Aggregate Warrant Price; by (Y) the Fair Market Value of one share of
Common Stock immediately prior to the exercise of the Conversion Right. This
warrant shall automatically be deemed to be exercised in full pursuant to the
provisions of this Section 1(b) hereof, without any further action on behalf of
the Holder immediately prior to the Expiration Date if not exercised before such
date.

            (c) FAIR MARKET VALUE. For the purpose of this Section 1, the "Fair
Market Value" a share of Common Stock as of a particular date (the
"Determination Date") shall mean:

                   (i) If the Company's Common Stock is traded on an exchange or
            is quoted on the National Association of Securities Dealers, Inc.
            Automated Quotation ("NASDAQ") National Market System, then Fair
            Market Value shall mean the closing or last sale price,
            respectively, reported for the last business day immediately
            preceding the Determination Date;

                   (ii) If the Company's Common Stock is not traded on an
            exchange or on the NASDAQ National Market System but is traded in
            the over-the-counter market, then Fair Market Value shall mean the
            closing bid and asked prices reported for the last business day
            immediately preceding the Determination Date;

                   (iii) If the Determination Date is the date on which the
            Company's Common Stock is first sold to the public by the Company is
            a firm commitment public offering under the Securities Act of 1933,
            as amended (the "1933 Act"), then Fair Market Value shall mean the
            initial public offering price (before deducting commissions,
            discounts or expenses) at which the Common Stock is sold in such
            offering; and

                   (iv) If the Determination Date is none of the foregoing
            clauses (i), (ii), and (iii), then Fair Market Value will be
            determined by the Company's Board of Directors, acting in good
            faith.

     2. RESERVATION OF WARRANT SHARES. The Company agrees that, prior to the
expiration of this Warrant, the Company will at all times have authorized and in
reserve, and will keep available, solely for issuance or delivery upon the
exercise of this Warrant, the shares of the Common Stock as from time to time
shall be receivable upon the exercise of this Warrant.

                                      -2-
<PAGE>

     3.     ANTI-DILUTION PROVISIONS.

            (a) If, at any time or from time to time after the date of this
Warrant, the Company shall distribute to the holders of the Common Stock (I)
securities, other than shares of the Common Stock, or (II) property, other than
cash, without payment therefor, with respect to the Common Stock, then, and in
each such case, the Holder, upon the exercise of this Warrant, shall be entitled
to receive the securities and properties which the Holder would hold on the date
of such exercise if, on the date of this Warrant, the Holder had been the holder
of record of the number of shares of the Common Stock subscribed for upon such
exercise and, during the period from the date of this Warrant to and including
the date of such exercise, had retained such shares and the securities and
properties receivable by the Holder during such period. Notice of each such
distribution shall be forthwith mailed to the Holder.

            (b) In case the Company shall hereafter (I) pay a dividend or make a
distribution on its capital stock in shares of Common Stock, (II) subdivide its
outstanding shares of Common Stock into a greater number of shares, (III)
combine its outstanding shares of Common Stock into a smaller number of shares
or (IV) issue by reclassification of its Common Stock any shares of capital
stock of the Company, the Per Share Warrant Price in effect immediately prior to
such action shall be adjusted so that if the Holder surrendered this Warrant for
exercise immediately thereafter, the Holder would be entitled to receive the
number of shares of Common Stock or other capital stock of the Company which he
would have owned immediately following such action had such Warrant been
exercised immediately prior thereto. An adjustment made pursuant to this
subsection (b) shall become effective immediately after the record date in the
case of a dividend or distribution and shall become effective immediately after
the effective date in the case of a subdivision, combination or
reclassification. If, as a result of an adjustment made pursuant to this
subsection (b), the Holder of this Warrant shall become entitled to receive
shares of two or more classes of capital stock or shares of Common Stock and
other capital stock of the Company, the Board of Directors (whose determination
shall be conclusive and shall be described in a written notice to the Holder of
this Warrant promptly after such adjustment) shall determine the allocation of
the adjusted Per Share Warrant Price between or among shares of such classes of
capital stock or shares of Common Stock and other capital stock.

            (c) In case of any consolidation or merger to which the Company is a
party other than a merger or consolidation in which the Company is the
continuing corporation, or in case of any sale or conveyance to another entity
of the property of the Company as an entirety or substantially as an entirety,
or in the case of any statutory exchange of securities with another corporation
(including any exchange effected in connection with a merger of a third
corporation into the Company), the Holder shall have the right thereafter to
convert this Warrant into the kind and amount of securities, cash or other
property which he would have owned or have been entitled to receive immediately
after such consolidation, merger, statutory exchange, sale or conveyance had
such Warrant been converted immediately prior to the effective date of such
consolidation, merger, statutory exchange, sale or conveyance and in any such
case, if necessary, appropriate adjustment shall be made in the application of
the provisions set forth in this Section 3 with respect to the rights and
interests thereafter of the Holder to the end that the provisions set forth in
this Section 3 shall thereafter correspondingly be made applicable, as nearly as
may reasonably be, in relation to any shares of stock or other securities or
property thereafter deliverable on the conversion of this Warrant. The above
provisions of this subsection (c) shall similarly apply to successive
consolidations, mergers, statutory exchanges, sales or conveyances. Notice of
any such consolidation, merger, statutory exchange, sale or

                                      -3-
<PAGE>

conveyance and of said provisions so proposed to be made, shall be mailed to the
Holder not less than 30 days prior to such event. A sale of all or substantially
all of the assets of the Company for a consideration consisting primarily of
securities shall be deemed a consolidation or merger for the foregoing purposes.

            (d) Whenever the Per Share Warrant Price is adjusted as provided in
this Section 3 and upon any modification of the rights of the Holder of this
Warrant in accordance with this Section 3, the Company shall promptly prepare a
certificate of an officer of the Company, setting forth the Per Share Warrant
Price and the number of Warrant Shares after such adjustment or modification, a
brief statement of the facts requiring such adjustment or modification and the
manner of computing the same and cause a copy of such certificate to be mailed
to the Holder.

            (e) If the Board of Directors of the Company shall declare any
dividend or other distribution in cash with respect to the Common Stock, other
than out of earned surplus, the Company shall mail notice thereof to the Holder
not less than 15 days prior to the record date fixed for determining
shareholders entitled to participate in such dividend or other distribution.

     4. FULLY PAID STOCK; TAXES. The Company agrees that the shares of the
Common Stock represented by each and every certificate for Warrant Shares
delivered on the exercise of this Warrant shall, at the time of such delivery,
be validly issued and outstanding, fully paid and non-assessable, and not
subject to preemptive rights, and the Company will take all such actions as may
be necessary to assure that the par value or stated value, if any, per share of
the Common Stock is at all times equal to or less than the then Per Share
Warrant Price. The Company further covenants and agrees that it will pay, when
due and payable, any and all Federal and state stamp, original issue or similar
taxes that may be payable in respect of the issue of any Warrant Share or
certificate therefor.

     5.     TRANSFER.

            (a) SECURITIES LAWS. Neither this Warrant nor the Warrant Shares
issuable upon the exercise hereof have been registered under the Securities Act
of 1933, as amended (the "Securities Act") or under any state securities laws
and unless so registered may not be transferred, sold, pledged, hypothecated or
otherwise disposed of unless an exemption from such registration is available.
In the event Holder desires to transfer this Warrant or any of the Warrant
Shares issued, the Holder must give the Company prior written notice of such
proposed transfer including the name and address of the proposed transferee.
Such transfer may be made only either (I) upon publication by the Securities and
Exchange Commission (the "Commission") of a ruling, interpretation, opinion or
"no action letter" based upon facts presented to said Commission, or (II) upon
receipt by the Company of an opinion of counsel to the Company in either case to
the effect that the proposed transfer will not violate the provisions of the
Securities Act, the Securities Exchange Act of 1934, as amended, or the rules
and regulations promulgated under either such act, or in the case of clause (ii)
above, to the effect that the Warrant or Warrant Shares to be sold or
transferred has been registered under the Securities Act of 1933, as amended,
and that there is in effect a current prospectus meeting the requirements of
Subsection 10(a) of the Securities Act, which is being or will be delivered to
the purchaser or transferee at or prior to the time of delivery of the
certificates evidencing the Warrant or Warrant Stock to be sold or transferred.

                                      -4-
<PAGE>

            (b) CONDITIONS TO TRANSFER. Prior to any such proposed transfer, and
as a condition thereto, if such transfer is not made pursuant to an effective
registration statement under the Securities Act, the Holder will, if requested
by the Company, deliver to the Company (I) an investment covenant signed by the
proposed transferee, (ii) an agreement by such transferee to the impression of
the restrictive investment legend set forth herein on the certificate or
certificates representing the securities acquired by such transferee, (III) an
agreement by such transferee that the Company may place a "stop transfer order"
with its transfer agent or registrar, and (IV) an agreement by the transferee to
indemnify the Company to the same extent as set forth in the next succeeding
paragraph.

            (c) INDEMNITY. The Holder acknowledges that the Holder understands
the meaning and legal consequences of this Section 5, and the Holder hereby
agrees to indemnify and hold harmless the Company, its representatives and each
officer and director thereof from and against any and all loss, damage or
liability (including all attorneys' fees and costs incurred in enforcing this
indemnity provision) due to or arising out of (A) the inaccuracy of any
representation or the breach of any warranty of the Holder contained in, or any
other breach of, this Warrant, (B) any transfer of the Warrant or any of the
Warrant Shares in violation of the Securities Act, the Securities Exchange Act
of 1934, as amended, or the rules and regulations promulgated under either of
such acts, (C) any transfer of the Warrant or any of the Warrant Shares not in
accordance with this Warrant or (D) any untrue statement or omission to state
any material fact in connection with the investment representations or with
respect to the facts and representations supplied by the Holder to counsel to
the Company upon which its opinion as to a proposed transfer shall have been
based.

            (d) TRANSFER. Except as restricted hereby, this Warrant and the
Warrant Shares issued may be transferred by the Holder in whole or in part at
any time or from time to time. Upon surrender of this Warrant to the Company or
at the office of its stock transfer agent, if any, with assignment documentation
duly executed and funds sufficient to pay any transfer tax, and upon compliance
with the foregoing provisions, the Company shall, without charge, execute and
deliver a new Warrant in the name of the assignee named in such instrument of
assignment, and this Warrant shall promptly be cancelled. Any assignment,
transfer, pledge, hypothecation or other disposition of this Warrant attempted
contrary to the provisions of this Warrant, or any levy of execution, attachment
or other process attempted upon the Warrant, shall be null and void and without
effect.

            (e) LEGEND AND STOP TRANSFER ORDERS. Unless the Warrant Shares have
been registered under the Securities Act, upon exercise of any part of the
Warrant and the issuance of any of the shares of Warrant Shares, the Company
shall instruct its transfer agent to enter stop transfer orders with respect to
such shares, and all certificates representing Warrant Shares shall bear on the
face thereof substantially the following legend, insofar as is consistent with
Delaware law:

            THE SHARES OF COMMON STOCK REPRESENTED BY THIS CERTIFICATE HAVE NOT
            BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND
            MAY NOT BE SOLD, OFFERED FOR SALE, ASSIGNED, TRANSFERRED OR
            OTHERWISE DISPOSED OF UNLESS REGISTERED PURSUANT TO THE PROVISIONS
            OF THAT ACT OR AN OPINION OF COUNSEL TO THE COMPANY IS OBTAINED
            STATING THAT SUCH DISPOSITION IS IN COMPLIANCE WITH AN AVAILABLE
            EXEMPTION FROM SUCH REGISTRATION.

                                      -5-
<PAGE>

     6. "PIGGY-BACK" REGISTRATIONS. If at any time the Company shall determine
to register any of its securities under the Securities Act (including pursuant
to a demand of any stockholder of the Company exercising registration rights),
other than on Form S-8 or Form S-4 or their then equivalents, it shall send to
each Holder of the Common Stock or Warrant Shares (the "Registrable Shares"),
including each Holder who has the right to acquire Registrable Shares, written
notice of such determination and, if within 45 days after receipt of such
notice, such Holder shall so request in writing, the Company shall use its best
efforts to include in such registration statement all or any part of the
Registrable Shares such Holder requests to be registered therein, except that
if, in connection with any offering involving an underwriting of Common Stock to
be issued by the Company, the managing underwriter shall impose a limitation on
the number of shares of such Common Stock which may be included in any such
registration statement because, in its judgment, such limitation is necessary to
effect an orderly public distribution, and such limitation is imposed pro rata
with respect to all securities whose holders have a contractual, incidental
("piggy-back") right to include such securities in the registration statement
and as to which inclusion has been requested pursuant to such right, then the
Company shall be obligated to include in such registration statement only such
limited portion (which may be none) of the Registrable Shares with respect to
which such Holder has requested inclusion hereunder.

     7. LOSS, ETC. OF WARRANT. Upon receipt of evidence satisfactory to the
Company of the loss, theft, destruction or mutilation of this Warrant, and of
indemnity reasonably satisfactory to the Company, if lost, stolen or destroyed,
and upon surrender and cancellation of this Warrant, if mutilated, the Company
shall execute and deliver to the Holder a new Warrant of like date, tenor and
denomination.

     8. WARRANT HOLDER NOT SHAREHOLDER. Except as otherwise provided herein,
this Warrant does not confer upon the Holder any right to vote or to consent to
or receive notice as a shareholder of the Company, as such, in respect of any
matters whatsoever, or any other rights or liabilities as a shareholder, prior
to the exercise hereof.

     9. COMMUNICATION. No notice or other communication under this Warrant shall
be effective unless the same is in writing and is mailed by first-class mail,
postage prepaid, addressed to:

            (a) the Company at 100 Cummings Center, Suite 235M, Beverly, MA
01915 or such other address as the Company has designated in writing to the
Holder, or

            (b) the Holder at _________________________________________, or such
other address as the Holder has designated in writing to the Company.

     10. HEADINGS. The headings of this Warrant have been inserted as a matter
of convenience and shall not affect the construction hereof.

                                      -6-
<PAGE>

     11. APPLICABLE LAW. This Warrant shall be governed by and construed in
accordance with the law of the State of Delaware without giving effect to the
principles of conflicts of law thereof.

     IN WITNESS WHEREOF, LocatePLUS Holdings Corporation, has caused this
Warrant to be signed by its ____________________________ and its corporate seal
to be hereunto affixed and attested by its _________________ this
[____________].

ATTEST:                                       __________________________________

                                              By:_______________________________
________________________________                             (name)
(name)                                        Title:
Title:

[Corporate Seal]

                                      -7-
<PAGE>

                                  SUBSCRIPTION

     The undersigned, , pursuant to the provisions of the foregoing Warrant,
hereby agrees to subscribe for the purchase of shares of the Class A Voting
Common Stock of LocatePLUS Holdings Corporation covered by said Warrant, and
makes payment therefor in full at the price per share provided by said Warrant.

Dated:                                   Signature___________________________
      -------------------

                                         Address  ___________________________

                                                  ___________________________

                                      -8-
<PAGE>

                                   ASSIGNMENT

     FOR VALUE RECEIVED hereby sells, assigns and transfers unto ______ the
foregoing Warrant and all rights evidenced thereby, and does irrevocably
constitute and appoint ______________________________, attorney, to transfer
said Warrant on the books of LocatePLUS Holdings Corporation

Dated:                                   Signature___________________________
      -------------------

                                         Address  ___________________________

                                                  ___________________________

                                      -9-
<PAGE>

                               PARTIAL ASSIGNMENT

     FOR VALUE RECEIVED hereby assigns and transfers unto _________ the right to
purchase shares of the Class A Voting Common Stock of LocatePLUS Holdings
Corporation by the foregoing Warrant, and a proportionate part of said Warrant
and the rights evidenced hereby, and does irrevocably constitute and appoint
_____________________, attorney, to transfer that part of said Warrant on the
books of ____________________.

Dated:                                   Signature___________________________
      -------------------

                                         Address  ___________________________

                                                  ___________________________

                                      -10-EXHIBIT 4.8
                                                                     -----------

THIS NOTE AND THE SHARES OF CAPITAL STOCK ISSUABLE UPON ANY CONVERSION HEREOF
HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
"SECURITIES ACT"), OR ANY APPLICABLE STATE SECURITIES LAWS AND MAY NOT BE SOLD
OR OTHERWISE TRANSFERRED BY ANY PERSON, INCLUDING A PLEDGEE, UNLESS (1) EITHER
(A) A REGISTRATION WITH RESPECT THERETO SHALL BE EFFECTIVE UNDER THE SECURITIES
ACT, OR (B) THE COMPANY SHALL HAVE RECEIVED AN OPINION OF COUNSEL OF THE HOLDER
SATISFACTORY TO THE COMPANY THAT AN EXEMPTION FROM REGISTRATION UNDER THE
SECURITIES ACT IS AVAILABLE, AND (2) SUCH TRANSFER WOULD BE IN COMPLIANCE WITH
ALL APPLICABLE STATE SECURITIES LAWS. THERE IS NO AND THERE IS NOT EXPECTED TO
BE A PUBLIC MARKET FOR THIS NOTE AND THE SHARES OF CAPITAL STOCK ISSUABLE UPON
ANY CONVERSION HEREOF. INVESTORS SHOULD BE AWARE THAT THEY WILL BE REQUIRED TO
BEAR THE FINANCIAL RISKS OF THIS INVESTMENT FOR AN INDEFINITE PERIOD OF TIME.

                              LOCATEPLUS.COM, INC.

                    CONVERTIBLE SUBORDINATED PROMISSORY NOTE

$[_________]                                              BEVERLY, MASSACHUSETTS
                                                             [_______________]

LocatePLUS.com, Inc., a Delaware corporation (the "Company"), for value
received, hereby promises to pay to [________________] and Investigations or his
assigns the principal sum of [________________]($[________________]), together
with interest compounding semi-annually on each January 1 and July 1 from the
date hereof on the unpaid balance of such principal amount from time to time
outstanding at the rate of 14% per annum until paid in full or converted as
provided herein. Subject to the provisions of Section 4 below, all outstanding
principal and accrued unpaid interest under this Note shall be due and payable
on the first to occur of: (I) September 27, 2005, (II) conversion according to
the terms hereof, and (III) the occurrence of an Event of Default (as defined in
Section 3 below) (the first to occur of (i), (ii) and (iii), is referred to
herein as the "Maturity Date").

SECTION 1.  CONVERSION.

     (A)  AUTOMATIC CONVERSION. The entire outstanding principal amount of this
Note and any accrued unpaid interest hereon shall automatically be converted
into fully paid and non-assessable shares of the Common Stock, par value $0.01,
of the Company upon the first to occur (the "Conversion Date") of:

          (I) LocatePLUS.com's initial public offering of securities registered
     on Form S-1 or its then equivalent;

          (II) the closing of at least a $5 million equity investment in the
     Company in an offering subsequent to the Company's Note and Warrant
     Offering that commenced on September 27, 2000; or

          (III) a transaction involving a "Change of Control" of the Company.
     For the purposes of this Note, a "Change of Control" transaction shall mean
     (1) a transaction in which any individual, entity or group (within the
     meaning of Sections 13(d)(3) and
<PAGE>
     14(d)(2) of the Securities Exchange Act of 1934, as amended (the "Exchange
     Act") acquires beneficial ownership of any capital stock of the Company if,
     after such acquisition, such individual, entity or group beneficially owns
     (within the meaning of Rule 13d-3 promulgated under the Exchange Act) more
     than 50% of either (X) the then-outstanding shares of Common Stock of the
     Company (the "Outstanding Company Common Stock"), or (Y) the combined
     voting power of the then-outstanding securities of the Company generally
     entitled to vote (the "Outstanding Company Voting Securities"); PROVIDED,
     HOWEVER, that for the purposes of this clause (1), no acquisition by any
     person, entity, or group pursuant to a Business Combination, as defined
     below, which complies with clauses (x) and (y) of clause (2) below will
     constitute a Change of Control; or (2) the consummation of a merger,
     consolidation, reorganization, recapitalization or statutory share exchange
     involving the Company or a sale or other disposition of all or
     substantially all of the assets of the Company (a "Business Combination"),
     unless, immediately after such Business Combination, each of the following
     is satisfied: (X) all or substantially all of the individuals or entities
     who were beneficial owners of the Outstanding Company Stock and Outstanding
     Company Voting Securities immediately prior to that Business Combination
     beneficially own, directly or indirectly, more than 50% of the
     then-outstanding shares of the Company's Common Stock and the combined
     voting power of the then-outstanding securities generally entitled to vote,
     respectively, of the resulting or acquiring entity in the Business
     Combination (which shall include, without limitation, an entity that as a
     result of such transaction owns the Company or substantially all of the
     Company's assets either directly or through one or more subsidiaries) (such
     resulting or acquiring entity is referred to herein as the "Acquiring
     Entity"), in substantially the same proportions as their ownership of the
     Outstanding Company Common Stock and Outstanding Company Voting Securities,
     respectively, immediately prior to such Business Combination (it being
     understood that for purposes of the determination of whether or not such
     voting power of the then-outstanding securities is owned, directly or
     indirectly, in substantially the same proportions as the ownership of the
     Outstanding Company Common Stock and Outstanding Company Voting Securities,
     respectively, any securities transferred pursuant to transfers by a
     security holder which is an entity to a wholly-owned subsidiary of that
     entity, or by a security holder which is a closely held partnership PRO
     RATA to the partners of such partnership, or transfers by a limited
     liability company PRO RATA to the members of such limited liability company
     shall be disregarded, and (Y) no person or entity (excluding the Acquiring
     Entity or any employee benefit plan (or related trust) maintained or
     sponsored by the Company or by the Acquiring Entity) beneficially owns,
     directly or indirectly, more than 50% of the then-outstanding equity of the
     Acquiring Entity, or of the combined voting power of the then-outstanding
     securities of such corporation generally entitled to vote (except to the
     extent that such ownership existed prior to the Business Combination).

          (IV) Upon conversion of this Note, the Holder shall be entitled to a
     number of shares of LocatePLUS.com, Inc. Common Stock as may be determined
     as set forth below:

               (A) If the conversion is triggered by clauses (i) or (ii), above,
          then the per share Conversion Price shall be 80% of the per share
          offering price of Common Stock in that offering (if the offering
          consists primarily of Common Stock), or (if the offering does not
          consist primarily of Common Stock), the Conversion Price shall be the
          80% of the per share value of the Common Stock as determined by the
          Board of Directors of the Company, in good faith, with reference to
          such offering price.

                                       -2-
<PAGE>
               (B) If the conversion is triggered by clause (iii), above, in a
          transaction in which all or substantially all of the Common Stock of
          the Company is acquired or transferred as a result of a merger or
          tender offer, the consideration for which consists of cash and/or
          readily marketable, unrestricted securities, then the per share
          Conversion Price will be 80% of the value of the consideration offered
          to each stockholder for each share of the Company's Common Stock.

               (C) If the conversion is triggered by clause (iii), above, in a
          change of control transaction other than as set forth in paragraph
          (B), above, then the per share Conversion Price shall be 80% of the
          implied per share value of Common Stock of such transaction, as
          determined by the Board of Directors in good faith taking into account
          the transaction, the nature of the consideration, the relative
          liquidity of the consideration, and other similar factors regularly
          used in the valuation of illiquid investments.

     (B)  FRACTIONAL SHARES. No fractional shares of capital stock of the
Company shall be issued upon conversion of this Note. In lieu of any fractional
shares to which the holder would otherwise be entitled, the Company shall pay
cash equal to the amount that would have been applied to the purchase of such
fractional share but for the application of the preceding sentence.

     (C)  MECHANICS OF CONVERSION. The Company shall use its best efforts to
cause notice of conversion to be mailed to the registered holder of this Note,
at such holder's address appearing in the records of the Company, at least five
business days prior to the Conversion Date. Upon notice by the Company and on or
before the Conversion Date, the holder shall surrender this Note for conversion
at the place designated in such notice. If required by the Company, the Note
surrendered for conversion shall be endorsed or accompanied by a written
instrument or instruments of surrender in form satisfactory to the Company duly
executed by the registered holder. The Company shall, as soon as practicable
after the Conversion Date, issue and deliver to such holder of this Note, a
certificate or certificates for the number of shares of the capital stock of the
Company to which such holder shall be entitled, together with cash in lieu of
any fraction of a share. Immediately upon the Conversion Date (whether or not
this Note is surrendered), this Note shall no longer be deemed to be outstanding
and all rights with respect to this Note shall immediately cease and terminate
on such Conversion Date, except only the right of the holder to receive the
shares of the capital stock of the Company to which he is entitled as a result
of the conversion on the Conversion Date.

     2.   RESTRICTIONS ON TRANSFER. The shares of the capital stock of the
Company into which the Note may be converted, shall not be assigned, sold,
pledged, transferred or otherwise disposed of except in compliance with the
Securities Act of 1933, as amended (the "Securities Act"), and applicable state
securities laws.

     3.   DEFAULT. This Note and all amounts due hereunder shall become
immediately due and payable in cash without notice or demand, at any time, upon
the occurrence and during the continuation of any of the following events of
default (individually, "an Event of Default" and collectively, "Events of
Default"):

                                       -3-
<PAGE>
          (A)  Default in the payment when due of any principal or interest
     under this Note;

          (B)  The liquidation, termination of existence, dissolution or the
     appointment of a receiver or custodian for the Company or any part of its
     property if such appointment is not terminated or dismissed within thirty
     days;

          (C)  The institution against the Company of any proceedings under the
     United States Bankruptcy Code or any other federal or state bankruptcy,
     reorganization, receivership, insolvency or other similar law affecting the
     rights of creditors generally, which proceeding is not dismissed within
     thirty days of filing; or

          (D)  The institution by the Company of any proceedings under the
     United States Bankruptcy Code or any other federal or state bankruptcy,
     reorganization, receivership, insolvency or other similar law affecting the
     rights of creditors generally or the making by the Company or any endorser
     or guarantor of this Note of a composition of an assignment or trust
     mortgage for the benefit of creditors.

Upon the occurrence of an Event of Default, the holder shall have then, or at
any time thereafter, all of the rights and remedies afforded by the Uniform
Commercial Code as from time to time in effect in the State of Delaware.

     4.   SUBORDINATION. The indebtedness evidenced by this Note is subordinate
and junior to the prior payment in full of the principal of (and premium, if
any) and interest on all Senior Indebtedness. "Senior Indebtedness" means the
principal of (and premium, if any) and interest on all indebtedness of the
Company for money borrowed from banks and other institutional lenders, whether
outstanding on the date hereof or hereafter arising. Nothing contained in this
Section 4 shall limit or impair the conversion of this Note in accordance with
Section 1 hereof. Anything herein to the contrary notwithstanding, the Company
covenants and agrees, and any holder hereof by its acceptance hereof covenants
and agrees, expressly for the benefit of the present and future holders of the
Senior Indebtedness, that until the Senior Indebtedness shall have been paid in
full, the holder hereof will not take, demand or receive, and the Company will
not make, give or permit, directly or indirectly, by set-off, redemption,
purchase or in any other manner, any payment of the whole or any part hereof,
except that the holder hereof shall be entitled to receive payments of interest
and principal on the Maturity Date unless and until (if ever) the holder of any
Senior Indebtedness shall have given notice to the holder hereof (a "Standstill
Notice") that (I) the Company is in default in respect of any payment of
principal of, interest on, or other amount due in connection with any Senior
Indebtedness, or (II) an event has occurred and is continuing or a condition
exists which entitles any holder of the Senior Indebtedness to declare the same
to be due and payable prior to its express maturity date, PROVIDED that the
Company may make, and the holder hereof may take, demand, receive, enforce and
collect such payments of principal and interest after the period ending on the
first to occur of (A) the date such event or condition is waived or cured, and
(B) with respect to a non-payment default, one hundred and eighty days after the
date the Standstill Notice shall have been given to the holder hereof, UNLESS
there shall then exist a payment default in respect of the Senior Indebtedness
in which case the Company shall not make and the holder shall not accept, any
payment hereunder until such payment default has been cured. Each holder hereof,
by its acceptance of this Note, hereby agrees that the holder of the Senior
Indebtedness may, at any time and from time to time, without notice to the
holder of this Note, without releasing or impairing the subordination contained
herein, change the manner, place or terms of payment, or change or extend the
time for payment of or renew or alter, the Senior Indebtedness, or amend or
supplement in any manner the agreements, instruments or documents relating to,
evidencing or securing the Senior Indebtedness, or release any person liable in

                                       -4-
<PAGE>
any manner for the payment or collection of the Senior Indebtedness or exercise
or refrain from exercising any rights in respect of the Senior Indebtedness or
apply any monies or other property received to the Senior Indebtedness or accept
or release any security for the Senior Indebtedness. Upon the liquidation,
dissolution or other winding up of the Company or any sale of the Company,
receivership, insolvency, reorganization or bankruptcy proceedings, assignment
for the benefit of creditors, arrangement or the commencement of any proceeding
for the benefit of creditors, against the Company for any relief under any
bankruptcy, reorganization or insolvency laws or any other law of the relief of
debtors or the readjustment of indebtedness or other event or condition
described in this Section 4, then and in any such event, any payment of
principal, interest or premium on this Note which but for the subordination
provisions of this Note would otherwise be payable or deliverable to the holder
hereof shall instead be paid over or delivered to the holder of the Senior
Indebtedness (if more than one holder, in accordance with any agreements among
the holder of such Senior Indebtedness) for application as a payment or
prepayment on account of the Senior Indebtedness, and the holder hereof shall
not receive any payment therefrom unless and until all Senior Indebtedness shall
have been fully paid and satisfied or the holder of such Senior Indebtedness
shall have otherwise consented. If any holder hereof shall receive any payment
in respect of this Note in violation of the preceding, such holder, by its
acceptance hereof, hereby agrees to hold such payment in trust for the PRO RATA
benefit of the holder of the Senior Indebtedness and to pay over such amount in
the form received, except for the endorsement without recourse or warranty of
the holder hereof where appropriate, to the holder of the Senior Indebtedness
for application on account of the Senior Indebtedness. THE SUBORDINATION
PROVISIONS HEREOF ARE AND ARE INTENDED TO BE SOLELY FOR THE PURPOSE OF DEFINING
THE RELATIVE RIGHTS OF THE HOLDER HEREOF AND THE HOLDER OF THE SENIOR
INDEBTEDNESS AND NOTHING CONTAINED HEREIN IS INTENDED TO OR SHALL IMPAIR, AS
BETWEEN THE COMPANY, ITS CREDITORS AND THE HOLDER OF THIS NOTE, THE OBLIGATION
OF THE COMPANY, WHICH IS UNCONDITIONAL AND ABSOLUTE, TO PAY TO THE HOLDER OF
THIS NOTE THE PRINCIPAL OF, AND INTEREST ON, THIS NOTE AS AND WHEN THE SAME
SHALL BECOME DUE AND PAYABLE IN ACCORDANCE WITH THE TERMS HEREOF, OR IS INTENDED
TO OR SHALL AFFECT THE RELATIVE RIGHTS OF THE HOLDER OF THIS NOTE AND CREDITORS
OF THE COMPANY (OTHER THAN THE HOLDER OF THE SENIOR INDEBTEDNESS), NOR SHALL
ANYTHING HEREIN PREVENT THE HOLDER HEREOF FROM EXERCISING ALL RIGHTS AND
REMEDIES UNDER THIS NOTE IN THE EVENT OF DEFAULT HEREUNDER, SUBJECT TO THE RIGHT
OF THE HOLDER OF THE SENIOR INDEBTEDNESS TO RECEIVE PRIOR PAYMENT IN FULL OF
SUCH SENIOR INDEBTEDNESS. Notwithstanding the foregoing, the holder of this Note
shall not commence any action for the payment of any principal, interest or
other amount due hereunder unless (I) any Senior Indebtedness shall have been
accelerated, or (II) the Company has become subject to an insolvency,
reorganization or bankruptcy proceeding, receivership proceeding, assignment for
the benefit of creditors or other like proceeding. The holder hereof
acknowledges that his, her or its intention is that the rights of the holder
hereof to payments of principal and interest on this Note shall be junior and
subordinate to the rights of the holder of any present or future Senior
Indebtedness, and the holder hereof hereby agrees to confirm the foregoing and
to execute any and all such documents as may be reasonably requested by the
holder of any Senior Indebtedness from time to time.

     5.   INVESTMENT INTENT. The holder of this Note, by acceptance hereof,
warrants and represents that this Note and any security issuable upon conversion
hereof, has been and will be acquired for investment only and not with a view
to, or for sale in connection with, a distribution thereof and not with a view
to their resale, and that this Note and any security issuable upon conversion
hereof has been and will be acquired for the holder's own account and not with a
view to their division among others, and that no other person has any direct or
indirect beneficial interest in this Note or any security issuable upon
conversion hereof.

                                       -5-
<PAGE>
     6.   NOTICES. All notices given hereunder shall be in writing and delivered
in person, by recognized courier service, or by postage prepaid certified or
registered mail, return receipt requested. All notices intended for the holder
hereof shall be addressed to it as its last address as it shall then appear on
the books of the Company. All notices intended for the Company shall be
addressed to it at 100 Cummings Center, Suite 235-M, Beverly, Massachusetts
01915. Said addresses may be changed by notice in accordance with this Section
6.

     7.   GOVERNING LAW. This Note shall be governed by and construed in
accordance with the laws of the State of Delaware.

     8.   GENERAL.

     (A)  SUCCESSORS AND ASSIGNS. This Note, and the obligations and rights of
the Company hereunder, shall be binding upon and inure to the benefit of the
Company, the holder of this Note, and their respective heirs, successors and
permitted assigns.

     (B)  RECOURSE. Recourse under this Note shall be to the general unsecured
assets of the Company only, and in no event to the officers, directors or
stockholders of the Company.

     (C)  CHANGES. Changes in or additions to this Note may be made or
compliance with any term, covenant, agreement, condition or provision set forth
herein may be omitted or waived (either generally or in a particular instance
and either retroactively or prospectively) only with the written consent of the
Company and the holder of this Note.

     (D)  RIGHTS RESERVED. No provisions of this Note and no right or option
granted or conferred herein shall in any way limit, affect or abridge the
exercise by the Company of any of its corporate rights or powers, including
without limitation, its corporate right and power to issue securities,
recapitalize, amend its Certificate of Incorporation, reorganize, consolidate or
merge with or into another corporation, or transfer or encumber all or any part
of its property or assets.

     IN WITNESS WHEREOF, this Note has been executed and delivered as a sealed
instrument on the date first above written.

                                       LOCATEPLUS.COM, INC.

                                       By:
                                           -------------------------------------
                                           Jon Latorella
                                           President and Chief Executive Officer

                                       By:
                                           -------------------------------------
                                           Robert Goddard
                                           Treasurer, Secretary and
                                           Chief Financial Officer

TRACKING NUMBER [________________].

                                       -6-

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