AdForce and Activate Deliver Next Generation Web Advertising.

Business Editors

CUPERTINO, Calif. and SEATTLE--(BUSINESS WIRE)--Nov. 8, 2000

New On-Demand Ad Insertion Solution Enables Personalized Streaming Ad

Campaigns With Enhanced Management and Accountability

AdForce Inc., a wholly owned subsidiary of CMGion and a leading online provider of centralized, outsourced ad management and delivery services, and Activate, a majority owned subsidiary of CMGI and a leading digital media infrastructure services company, today announced the availability of an on-demand ad insertion solution that enables Web site advertisers, advertising agencies, and content publishers to deliver TV and radio quality ads via the Web. AdForce and Activate have collaborated to provide a one-stop shop where customers can create, target, schedule, host, manage and report on streaming media advertising campaigns. In addition, the integrated streaming advertising service unlocks significant revenue potential for Web sites by incorporating streaming audio and video advertisements into online content.

Streaming media advertising generates higher CPMs than other ad formats, resulting in greater advertising revenue and providing a solution for Internet content publishers to support production and distribution of streaming audio and video content. The on-demand ad insertion solution inserts streaming media ads into the most appropriate content break, seamlessly placing the ad at the beginning, middle or end of the content stream and ensuring the highest quality experience. AdForce's advanced targeting capabilities deliver a personalized ad for the individual based upon their specified Internet connection rate, online demographics, geographic demographics, and Internet search words. Activate coordinates the network aspect of the solution, providing the encoding and hosting of the streaming files.

"The advent of streaming media on the Web has created the opportunity for Internet ad providers to offer to broadcast messages via a new, interactive advertising medium," said Chuck Berger, chief executive officer, AdForce. "The combination of Activate's cutting edge streaming technology and AdForce's industry leading ad delivery, reporting and targeting technology results in an advertising solution that simultaneously leverages the best elements of two advertising media - the audiovisual resonance of television and the accountability of the Internet."

Activate brings over three years of experience streaming content for enterprise, traditional media, entertainment and dot.com communities. Activate provides a broad range of streaming services for hundreds of customers whose content ranges from sports highlights to music videos to movie clips.

"Streaming media technology and one-to-one broadcasting offers advertisers the opportunity to reach every individual with specific ads, taking their advertising into a new and far more economic dimension, while at the same time enhancing the user experience," said Jeff Schrock, chief executive officer and founder, Activate. "Activate's collaboration with AdForce allows us to offer a wide range of revenue possibilities as broadband becomes more accessible to consumers."

Goals, Features and Benefits:

Powerful streaming media Drive site traffic and improve site stickiness with complete end-to-end technology streaming media campaign management, encoding, hosting and playback.

On-demand streaming media Strengthen brand recall and loyalty by re-purposing existing radio and commercials TV commercials.

Advanced targeting Increase advertising ROI with targeted commercials based on demographics or search words for greater exposure.

Comprehensive reporting Analyze campaign effectiveness with real-time metrics on streamed commercials

About Activate

Activate is a leading digital media infrastructure services company. Activate's services include: event Webcasting for business communications and consumer live events, live 24x7 Webcasting for radio, TV and Internet-only programming, and on-demand Webcasting of audio and video content to enhance any Web site. Major clients include Microsoft, CORUS, Dell, Unocal, AIMR, iCAST, Rivals.com, National Public Radio, and CTV Sportsnet.com. Activate, a majority-owned operating company of CMGI, Inc. (CMGI), is based in Seattle with offices in New York, San Francisco and Toronto. For more information about the company or its services, please visit www.activate.com or call 206/830-5300.

About AdForce

AdForce Inc., a wholly-owned subsidiary of CMGion, is "The Force in Digital Marketing"(TM) and a leading provider of centralized online advertising services, enabling publishers, rep firms and advertisers to leverage the unique advantages of the Internet as the first fully interactive medium. Deploying advanced scalable technology and backed by robust data centers, the AdForce service delivers billions of impressions monthly for some of the Internet's most prominent advertisers. AdForce provides a comprehensive suite of products, which allow advertisers and publishers to target, deliver, measure and analyze Internet advertising programs for the best results. AdForce has offices in Cupertino, CA, Costa Mesa, CA, New York, NY, Europe and Hong Kong. For additional information see http://www.adforce.com

AdForce, the AdForce logo and Force in Digital Marketing are trademarks of AdForce Inc. Activate is a trademark of Activate.net Corporation. All other products and services mentioned may be trademarks or service marks of their respective owners.

This release contains forward-looking statements which address a variety of subjects including, for example, the expected benefits, features, functionality and availability of the combined offering of AdForce and Activate and the expected interoperability of the technologies and products of AdForce with those of Activate. The following important factors and uncertainties, among others, could cause actual results to differ materially from those described in these forward-looking statements: AdForce's and Activate's products and technologies may not successfully interoperate with each other or with the products of other third parties; adoption of new laws and regulations affecting the provision of Internet advertising services, including laws and regulations covering privacy, pricing and content; AdForce's success depends on the advertising needs of its customers and the continued demand for Internet advertising in general; and increased competition and technological changes in the markets in which AdForce and Activate compete. For a detailed discussion of these and other cautionary statements, please refer to CMGI's filings with the Securities and Exchange Commission, including CMGI's Annual Report on Form 10-K for the most recently ended fiscal year.