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CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
We have issued our report dated February 10, 2000, accompanying the
financial statements of NetCreations, Inc. contained in the Registration
Statement and Proxy Statement/Prospectus. We consent to the use of the
aforementioned report in the Registration Statement and Proxy
Statement/Prospectus, and to the use of our name as it appears under the
captions 'NetCreations Selected Historical Financial Data,' 'Selected Financial
Data of NetCreations' and 'Experts.'
/s/ GRANT THORNTON LLP
New York, New York
November 2, 2000
