RealPlayer Jumps Ahead to Fourth Most Used Home Application, Reports Media Metrix; Napster Increases to 2.5 Million Users

Business Wire, May 22, 2000

Key Definitions

- Unique Users - The estimated number of total users who used the software
application once in the given month. All Unique Users are unduplicated (only
counted once).

- Percent Users - The percent of all users who used a given software
application

About Media Metrix

Media Metrix, Inc., with over 750 clients, is the leader and pioneer in Internet and Digital Media measurement worldwide and the industry's source for the most comprehensive, reliable, and timely audience ratings, e-commerce, advertising and technology measurement services. Through its acquisition of AdRelevance, an innovator in Internet advertising measurement, Media Metrix has expanded its product offering to include comprehensive data on where, when, how and how much Web marketers and their competition are advertising online.

Media Metrix provides leading advertising agencies, new and traditional media companies, e-commerce marketers, financial services companies and technology companies with comprehensive coverage of all Digital Media (including more than 21,000 Web sites and online properties). Media Metrix utilizes its patented metering methodology to measure actual Internet and Digital Media audience usage behavior in real-time - click by click, page by page, minute by minute. Media Metrix offers monthly, weekly, and daily data collection and reporting, and a sample of over 70,000 people under measurement worldwide. Media Metrix currently has operations in the U.S., U.K., France, Germany, Canada, Sweden, Australia and Japan. For more information about Media Metrix, please visit: www.mediametrix.com.