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EXHIBIT 23.4
CONSENT OF INDEPENDENT ACCOUNTANTS
The Board of Directors
Internet Research Group:
We consent to the inclusion in the Post Effective Amendment No. 1 on Form S-3 to
the Registration Statement (Form S-1 No. 333-34388) of Media Metrix, Inc. of
our report dated March 16, 2000, relating to the balance sheets of Internet
Research Group as of December 31, 1998 and 1999, and the related statements of
operations, shareholders' equity, and cash flows for the years then ended and
to the reference to our firm under the heading "Experts" in the prospectus.
/s/ KPMG LLP
Mountain View, California
August 10, 2000