Document:

MARKETING AND DEVELOPMENT AGREEMENT

      This Agreement is entered into by and between American Data Source (herein
      referred  to as "ADS")  and  Parkway  Advisors  Group,  Inc.  dba  Parkway
      Solutions  (herein referred to as "Parkway")  (jointly  referred to as the
      "Parties")  who,  for good and  valuable  consideration,  the  receipt and
      sufficiency of which is hereby acknowledged, would agree as follows:

I.    RECITALS

      1.1   Whereas ADS has  developed a trust  administration;  management  and
            accounting software system ("the system"); and

      1.2   Whereas  Parkway has the ability and expertise to market and promote
            the system  separate  from, or in  conjunction  with other  services
            provided by Parkway; and

      1.3   Whereas ADS desires to grant to Parkway the  non-exclusive  right to
            market the system on the terms and conditions contained herein; and

      1.4   Whereas  Parkway  desires  to be  retained  by ADS on the  terms and
            conditions contained herein.

      THEREFORE the Parties agree as follows:

II.   MARKETING GRANT

      2.1   ADS hereby  appoints and grants to Parkway a  non-exclusive  license
            and right to market,  sell and  promote  the system  throughout  the
            United States. Parkway does hereby accept such appointment and grant
            on the terms and  conditions  as herein  set forth and agrees to use
            its best efforts in performing its marketing services.

      2.2   ADS  agrees  that the system  being  marketed  by  Parkway  meets or
            exceeds the functional  standards of the current  production release
            of the  system,  or a release  containing  already  agreed  upon and
            planned functional modifications. It shall be the duty of Parkway to
            obtain a current  functional  specification  of the system  prior to
            making any representations to a prospective licensee.

      2.3   Parkway  acknowledges  and agrees that ADS is the sole and exclusive
            owner  of any and all  rights,  title,  and  interest  in and to the
            system  including any copyright and that all components and services
            licensed,  marketed or sold by Parkway shall dearly  identify ADS as
            the owner and licensor of the system.

      2.4   Parkway   acknowledges   that  ADS  will  work   directly  with  all
            prospective clients interested in licensing the system, with neither
            party having any  obligation to Parkway beyond the fees specified in
            Exhibit B of this agreement.  ADS's interaction with the client will
            be necessary to fulfill the service offerings of ADS as described in
            Exhibit A of this agreement

<PAGE>

III.  FEES

      3.1   For any and all fees  collected by ADS for the  1icens~ng and use of
            the system by clients secured by or otherwise  introduced to AIDS by
            Parkway's marketing efforts,  Parkway shall receive  compensation as
            described in Schedule B of this agreement.  The fee is to be paid to
            compensate Parkway for the marketing and business  development costs
            incurred in sourcing and assisting in the securing of such clients.

      3.2   Should  ADS   terminate   this   agreement,   while   maintaining  a
            relationship  with a client  referred  by Parkway  and  without  the
            consent of  Parkway,  ADS shall  continue to  compensate  Parkway as
            described  in Schedule B until such dine that ADS's  services to the
            client terminates.

IV.   CONFIDENTIALITY

      4.1   Parkway  agrees  to keep  confidential  from any third  parties  the
            design,  capabilities,  programming  and source code  related to the
            system  except as is  necessary  to market and promote the system to
            prospective  clients.  ADS ac1~now1edges that the general concept of
            the  system  and  the  services  it  provides  is  not   necessarily
            confidential as to Parkway.

      4.2   ADS  agrees to keep  confidential  all  information  related  to the
            clients of Parkway who contract and agree to use the system.

      4.3   Upon the  termination of this Agreement for any reason,  the Patties
            agree to Cooperate  fully in the  preservation,  mutual exchange and
            return  of all  confidential  information  held by the  other  party
            hereto.

      4.4   The Parties hereby  declare that it is difficult if not  impossible,
            to  accurately  measure in money the  damages  which will  accrue to
            either of the  Parties  hereto by reason of a failure to perform any
            of the obligations under Article VI of this Agreement. Therefore, If
            any party hereto shall institute any action or proceeding to enforce
            the  provisions  hereof  any  person  against  whom  such  action or
            proceeding  is brought  hereby  waives the claim or defense  therein
            that such  party  has or have an  adequate  remedy at law,  and such
            person shall not urge in any such action or proceeding  the claim or
            defense that such remedy at law exists. The Parties e~zpxess1y agree
            that any Court of competent  jurisdiction  enforce this agreement by
            any remedy available at law, including by injunctive relief.

V.    TERM

      5.1   The term of this Agreement shall be one (1) year (primary term) from
            the date here of and  automatically  renewed annually so long as ADS
            has a relationship with a client referred by Parkway.

      5.2   Nothing herein to the contrary withstanding, either party shall have
            the right to  terminate  this  Agreement,  at any time and for cause
            during the primary  term or any  extension  thereof,  on thirty (30)
            days written notice to the other party.

<PAGE>

VI.   INDEMNIFICATION

      6.1   Each party hereto  agrees to indemnify  and hold the other  harmless
            from and against  any and all  claims,  actions,  debts,  costs,  or
            liabilities  arising  out  of or  related  to any  act or  omission,
            negligent or  otherwise,  of the other party  hereto.  Should either
            party  hereto  receive  notice  of any kind of any  potential  claim
            against the other party hereto,  such party shall immediately notify
            such  other  party  arid  provide  any arid all  information  in the
            parties' possession concerning such potential or actual claim.

VII.  MISCELLANEOUS

      7.1   ADS hereby grants to Parkway,  during the term of this Agreement, an
            exclusive  right of first  refusal  to  purchase  the system and any
            tights  pertaining  thereto In the event that ADS offers or receives
            an offer to sell or transfer the system or any tights thereto to any
            third party or unable to continue its operations for any reason.  In
            the event of such an offer, Parkway shall have the right to purchase
            the system on the same or substantially similar terms and conditions
            and  shall  have ten (10)  days  written  notice  to  exercise  such
            exclusive tight.

      7.2   This Agreement may not be assigned by either party to this Agreement
            without the prior written consent of the other party.

      7.3   The term "Agreement" as used herein shall include any future written
            amendments or modifications made in accordance herewith.

      7.4   If any of the  provisions or portions of this  Agreement are invalid
            under applicable  statute or rule of law, such provisions or portion
            are to that extent deemed omitted.

      7.5   No waiver of any  breach of this  Agreement  shall be deemed to be a
            waiver of any subsequent breach. Should it become necessary to bring
            legal action to enforce any part of this  Agreement,  the prevailing
            party in any such action shall be entitled to an award of reasonable
            attorneys fees and costs incurred in such action.

      7.6   This  Agreement  is the complete  agreement  between the parties and
            supercedes  all  prior  agreements,  written  or oral,  between  the
            parties.

      7.7   All modifications to this Agreement must be in writing and signed by
            both parties.

      7.8   This Agreement shall be construed according to the laws of the State
            of Texas.

<PAGE>

      Dated: April 25, 2005

      American Data Source

      By: /s/
        -----------------------------
        Mitch Segal, President

      Parkway Advisors Group, Inc.
      dba Parkway Solutions

      By: /s/
        -----------------------------
        Carl C. Peterson, PresidentExhibit 10.11

                        SPONGETECH DELIVERY SYSTEMS, INC.
                             SUBSCRIPTION AGREEMENT

1.  Subscription.  The undersigned  hereby  subscribes to purchase  _______ (the
"Units"),  of Spongetech  Delivery Systems,  Inc. (the "Company") for a purchase
price equal to $0.25 per unit or  $________________  total.  A  cashier's  check
payable to " CST&T Spongetech Delivery Systems Escrow Account." in the amount of
the purchase price is enclosed with this Subscription Agreement.

2. Subscription  Funds. The undersigned  understands that the subscription funds
will be held in an escrow account at  Continental  Stock Transfer & Trust Co. In
the event this Subscription Agreement is rejected in whole by the Company, or if
subscriptions  for a  minimum  of  2,00,000  Units  have not been  received  and
accepted  by the  Escrow  Agent,  the funds  will be  promptly  returned  to the
undersigned without interest or deduction,  and this Subscription Agreement will
be null and void. In the event this Subscription Agreement is accepted, in whole
or in part,  the funds  deposited in the escrow account will be paid over to the
Company at a closing and applied as described in the Prospectus (and any amounts
which the undersigned has tendered in excess of the cash subscription  price for
the Units allocated to the undersigned will be returned).

3.  Acknowledgement.  The undersigned  acknowledges  that, prior to signing this
Subscription  Agreement,  he or she has received the  Prospectus  describing the
offering  of Units by the Company and has  carefully  reviewed  the risks of and
other  considerations  relevant  to, a purchase of the Common  Stock,  including
those described under the caption "Risk Factors" in the Prospectus.

4. Acceptance.  This  Subscription  Agreement is not transferable or assignable.
The execution and delivery of this Subscription Agreement will not constitute an
agreement  between the  undersigned  and the Company until this  subscription is
accepted on behalf of the Company. This Subscription Agreement shall survive the
death  or  disability  of  the   undersigned  and  shall  be  binding  upon  the
undersigned's heirs and legal representatives.

The undersigned hereby executes this Subscription Agreement as of the ____ day
of 200_, at _______________________, ______________________.
             (city) (state)

                               SUBSTITUTE FORM W-9
               PAYER'S REQUEST FOR TAXPAYER IDENTIFICATION NUMBER

 Under the penalties of perjury, I certify that: (1) the Social Security number
   or Taxpayer Identification Number given below is correct; and (2) 1 am not
subject to backup withholding. INSTRUCTION: YOU MUST CROSS OUT NUMBER 2 ABOVE IF
 YOU HAVE BEEN NOTIFIED BY THE INTERNAL REVENUE SERVICE THAT YOU ARE SUBJECT TO
 BACKUP WITHHOLDING BECAUSE OF UNDERREPORT1NG INTEREST OR DIVIDENDS ON YOUR TAX
                                     RETURN.
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<S>                                                          <C>
MAIL TO:                                                      Signature: ___________________________

Spongetech Delivery Systems, Inc.  Subscription Account       Print Name: __________________________

c/o Continental Stock Transfer & Trust Co.                    ______________________________________

17 Battery Place, 8th Floor                                   ______________________________________
                                                              Federal Employer Identification Number/
New York, New York 10004                                      Social Security Number

                                                              --------------------------------------
                                                                  Street Address

                                                              --------------------------------------
                                                              City, State and Zip Code

                                                              --------------------------------------
                                                                Telephone Number
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