August 7, 2001 NewMedia SPARK plc 33 Glasshouse Street London W1B 5DG United Kingdom Attn: Joel Plasco Dear Mr. Plasco: Pursuant to the Non-Disclosure Agreement, dated August 7, 2001, by and between GlobalNet Financial.com, Inc. ("GlobalNet") and...

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                                                                      Exhibit 15

                     [Logo of GlobalNet Xxxxxxxxx.xxx, Inc.]


                                 August 7, 2001

NewMedia SPARK plc
00 Xxxxxxxxxx Xxxxxx
Xxxxxx X0X 0XX
Xxxxxx Xxxxxxx

Attn: Xxxx Xxxxxx

Dear Xx. Xxxxxx:

Pursuant to the Non-Disclosure Agreement, dated August 7, 2001, by and between
GlobalNet Xxxxxxxxx.xxx, Inc. ("GlobalNet") and AISoftw@re S.p.A.
("AISoftw@re"), GlobalNet hereby assigns to NewMedia SPARK plc its rights of
enforcement with respect to AISoftw@re's obligations to tender shares into the
NewMedia SPARK plc tender offer in the event that GlobalNet and AISoftw@re fail
to enter into a merger agreement by August 15, 2001.

                                          Very truly yours,

                                          GLOBALNET XXXXXXXXX.XXX, INC.


                                          By: /s/ X. Xxxxxx Xxxxxxx
                                              ----------------------------------
                                              Name:    X. Xxxxxx Xxxxxxx
                                              Title:   Chief Executive Officer