Exhibit 16.1

[Arthur Andersen LLP Letterhead]


April 8, 2002

Office of the Chief Accountant
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549


Dear Sir/Madam:

         We have read the second, third and fourth paragraphs of Item 4 included
in the Form 8-K dated April 4, 2002 of Network Commerce Inc. to be filed with
the Securities and Exchange Commission and are in agreement with the statements
contained therein.

                             Very truly yours,

                             /s/ Arthur Andersen LLP