EXHIBIT 23.1
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CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
As independent public accountants, we hereby consent to the use of our report on
the statements of operations and accumulated deficit and cash flows of Customer
Analytics, Inc. dated August 28, 2000 included in this Current Report of
Exchange Applications,Inc. on Form 8-K/A and the incorporation by reference into
the previously filed Registration Statement No. 333-95759 of Exchange
Applications, Inc. on Form S-3 and Registrations Statements No. 333-42344, No.
333-34424, No. 333-87337, and No. 333-82889 of Exchange Applications, Inc. on
Form S-8.
/s/ Arthur Andersen
Boston, Massachusetts
August 28, 2000
