Document:

EXHIBIT A to
                                                   Common Stock Purchase Warrant
                                                   -----------------------------

                                    [FORM OF]

                           ELECTION TO PURCHASE SHARES

                         AND TRANSFER AGENT INSTRUCTIONS

                  The  undersigned  hereby  irrevocably  elects to exercise  the
Warrant to  purchase  ____  shares of Common  Stock,  par value  $.001 per share
("Common  Stock"),  of CAPITA  RESEARCH  GROUP,  INC. (the "Company") and hereby
makes payment of $________ in  consideration  therefor.  The undersigned  hereby
requests that certificates for such shares be issued and delivered as follows:

ISSUE TO:
          ----------------------------------------------------------------------
                                                  (NAME)
--------------------------------------------------------------------------------
                                       (ADDRESS, INCLUDING ZIP CODE)
--------------------------------------------------------------------------------
                               (SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER)

DELIVER TO:
           ---------------------------------------------------------------------
                                                  (NAME)
--------------------------------------------------------------------------------
                                       (ADDRESS, INCLUDING ZIP CODE)

                  If the number of shares of Common  Stock  purchased  hereby is
less than the  number of shares of Common  Stock  covered  by the  Warrant,  the
undersigned  requests  that a new Warrant  representing  the number of shares of
Common Stock not so purchased be issued and delivered as follows:

ISSUE TO:
         -----------------------------------------------------------------------
                                             (NAME OF HOLDER)
--------------------------------------------------------------------------------
                                       (ADDRESS, INCLUDING ZIP CODE)
--------------------------------------------------------------------------------
DELIVER TO:
           ---------------------------------------------------------------------
                                             (NAME OF HOLDER)
--------------------------------------------------------------------------------

                                       (ADDRESS, INCLUDING ZIP CODE)

Dated: _____________________

                                     [name]

         __________________,  as  transfer  agent and  registrar  of the  Common
Stock, is hereby  authorized and directed to issue the above number of shares of
Common Stock in the name of the above referenced entity or person and to deliver
the certificates representing such shares using an overnight delivery service.

                                                     CAPITA RESEARCH GROUP, INC.

                         By: ___________________________10 EXHIBIT B to
                                                   Common Stock Purchase Warrant

                              [FORM OF] ASSIGNMENT

                  FOR VALUE RECEIVED, the undersigned hereby sells, assigns, and
transfers unto the Assignee named below all of the rights of the  undersigned to
purchase  Common  Stock,  par value $.001 per share  ("Common  Stock") of CAPITA
RESEARCH GROUP, INC.  represented by the Warrant,  with respect to the number of
shares of Common Stock set forth below:

Name of Assignee              Address                       No. of Shares
----------------              -------                       -------------

and does hereby irrevocably  constitute and appoint ________ as Attorney to make
such transfer on the books of CAPITA  RESEARCH GROUP,  INC.  maintained for that
purpose, with full power of substitution in the premises.

Dated: ____________________

                                     -------------------------
                                     [name]

<PAGE>

359151.5
22795-0999

                                                                   Exhibit 10(b)

                                                              MODIFICATION NO. 1

             NASA and  NextGen  Systems,  Incorporated  entered  into  Exclusive
             License  Agreement No. DE-234 on August 4, 1997. By this  Agreement
             NASA and NextGen Systems,  Incorporated  modify  Exclusive  License
             Agreement No. DE-234 as follows:

             Article II, Section 2.9 is replaced by:

                       "FIELD OF USE" means  advertising and promotions for, and
             content of, products, services,  entertainment,  and organizations,
             including  DIRECT  RESPONSE  product or  services  promotions,  and
             including packaging and product design and ON- PRODUCT advertising,
             for use in appropriate media.

             In witness  whereof,  each party has caused  this  Agreement  to be
             executed by its duly authorized representative:

             National Aeronautics and        NextGen Systems, Inc.
               Space Administration

             By: /s/ Edward A. Frankle         By: /s/ David B. Hunter
                 ---------------------             -------------------
                     Edward A. Frankle                  David B. Hunter

                        Typed Name                         Typed Name

             Title:   General Counsel           Title: Vice President
                      ---------------           ---------------------

             Date:   7/31/98                           Date:  6/29/98
                     -------                                  -------Exhibit 10(c)

                               MODIFICATION NO. 2

NASA and NextGen Systems,  Incorporated entered into Exclusive License Agreement
No.  DE-234 on August 4, 1997.  By this  Agreement,  NASA and  NextGen  Systems,
Incorporated modify Exclusive License Agreement DE-234 as follows:

Article II, Sections 2.7 and 2.20 are deleted.

Article II, Section 2.9 is replaced by:

2.9      "FIELD OF USE" means all fields.

Article IV, Section 4.1 is replaced by:

         4.1 This  license  shall  commence  as of the date  this  Agreement  is
         executed by the last party to do so and shall  continue  until the last
         LICENSED PATENT and COPYRIGHT  expire,  unless revoked or terminated in
         accordance with other provisions of this Agreement.  Upon expiration of
         the last LICENSED PATENT, the license of the COPYRIGHT and the PROGRAM,
         all  provisions  pertaining to the  COPYRIGHT and the PROGRAM,  and all
         provisions   pertaining  to  the  COPYRIGHT  and  the  PROGRAM  license
         contained in this Agreement,  shall remain in force. The license of the
         LICENSED  INVENTION shall terminate as of the date of such  expiration.
         Except for those provisions  specified within this Agreement to survive
         termination,  all provisions contained within this Agreement pertaining
         specifically  to the license by NASA of or the  obligations  of NEXTGEN
         SYSTEMS with respect to,  including  royalty  payments under Article X,
         the  LICENSED  INVENTION  shall no longer be in effect from the date of
         such  expiration.  NASA shall notify NEXTGEN SYSTEMS in writing of such
         expiration.  All outstanding  royalties  accrued as of the date of such
         expiration are due within thirty (30) days of such notice.

Article IV, Section 4.2 is replaced by:

         4.2 The license of the LICENSED INVENTION shall terminate if all of the
         claims of all LICENSED PATENT  APPLICATION are ultimately  rejected and
         if  the  last  remaining  claim  of  all  LICENSED   PATENT,   and  any
         continuation,  divisional,  reissue or Patent and Trademark Office in a
         reexamination  proceeding,  and NASA, in its discretion,  has exhausted
         all available  appeals  Except for those  provisions  specified in this
         Agreement  to survive  termination,  all  provisions  contained  in the
         Agreement pertaining specifically to the license by NASA of or the

                                        1
<PAGE>

         obligations  of NEXTGEN  SYSTEMS  with  respect to,  including  royalty
         payments under Article X, the LICENSED  INVENTION shall no longer be in
         effect from the date of termination.  NASA shall notify NEXTGEN SYSTEMS
         in writing of such occurrence. All outstanding royalties accrued at the
         date of  such  termination  are due  within  thirty  (30)  days of such
         notice.  The license of the COPYRIGHT and the PROGRAM,  all  provisions
         pertaining  to the  COPYRIGHT  and  the  PROGRAM,  and  all  provisions
         pertaining to the COPYRIGHT  and the PROGRAM  license  contained in the
         Agreement, shall remain in force.

Article IV, Section 4.3 is replaced by:

         4.3 The license of the COPYRIGHT shall terminate if registration of the
         COPYRIGHT is found to be invalid by a competent  court of by the United
         States Copyright Office, and NASA, in its discretion, has exhausted all
         available  appeals.  Except  for  those  provisions  specified  in  the
         Agreement  to survive  termination,  all  provisions  contained in this
         Agreement  pertaining  specifically  to the  license  by NASA of or the
         obligations on NEXTGEN SYSTEMS with respect to, including consideration
         under Article XI, the  COPYRIGHT  shall no longer be in effect from the
         date of such termination.  NASA shall notify NEXTGEN SYSTEMS in writing
         of such occurrence.  All outstanding  consideration accrued at the date
         of such termination is due within thirty (30) days of such notice.  The
         license of the LICENSED INVENTION, and all provisions pertaining to the
         LICENSED  INVENTION and such LICENSED  INVENTION  license  contained in
         this Agreement, shall remain in force.

Article X, the following section 10.12 is added:

         10.12  In  consideration  of  the  extended   exclusivity  granted  via
         Modification  NO. 2 to this  Agreement,  NEXTGEN  SYSTEMS agrees to pay
         NASA a  royalty  of FIVE  THOUSAND  DOLLARS  ($5,000.00)  payable  upon
         execution of Modification No. 2. In addition, NEXTGEN SYSTEMS agrees to
         pay NASA a royalty of TEN THOUSAND DOLLARS  ($10,000.00)  upon issuance
         of a first LICENSED PATENT.  These royalties are nonrefundable and will
         not be credited  against any  royalties  which,  become due and payable
         under this Agreement.

Article X, Section 10.8 is replaced by:

         10.8 NEXTGEN SYSTEMS agrees that it shall annually pay to NASA, the TEN
         PERCENT  (10%)  royalty  of  Section  10.2  above for any  ROYALTY-BASE
         PRODUCTS of any and all SUBLICENSEE of NEXTGEN SYSTEMS.  In addition to
         the running  royalties of Section 7.2,  NEXTGEN  SYSTEMS  agrees to pay
         NASA, FIFTY PERCENT (50%) of any consideration, including but not

                                        2
<PAGE>

         limited  to  sublicense  issue  fees,   received  from  SUBLICENSEE  in
         consideration  for any sublicense  granted for the LICENSED  INVENTION.
         For nonmonetary  consideration,  including but not limited to equity in
         the SUBLICENSEE,  such FIFTY PERCENT (50%) shall be calculated based on
         the present market value of such nonmonetary consideration.

Article XXVIII, Section 28.1 is modified to reflect the licensee's (wholly-owned
subsidiary's) new address as:

                  Mr. David B. Hunter
                  President/CEO
                  NextGen Systems, Inc.
                  591 Skippack Pike
                  Suite 300
                  Blue Bell, PA 19422

In witness  thereof,  each party has caused the  Agreement to be executed by its
duly authorized representative:

National Aeronautics and                       NextGen Systems, Inc.
  Space Administration

By: /s/ Edward A. Frankle                        By: David B. Hunter
    ---------------------                            ---------------
      Edward A. Frankle                              David B. Hunter
      NASA General Counsel                           President/CEO

Date:   9/28/99                                        Date:   9/14/99
    -----------                                             ----------

                                        3

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00001-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00001-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00001-of-00352.parquet"}]]