IDG Communications Acquires ITworld.com from Accela Communications, Inc.

FRAMINGHAM, MA & SOUTHBOROUGH, MA. – JULY 16, 2007 – IDG Communications, a subsidiary of IDG, announced today that it has acquired the ITworld.com network and its database of several hundred thousand IT professionals from Accela Communications, Inc of Southborough. In addition to ITworld.com, the network includes smallbusiness.ITworld.com, security.ITworld.com, and wireless.ITworld.com. Under a prior agreement with IDG, ITworld.com has featured news and information from IDG media sources.

The ITworld.com sites will be maintained as a stand-alone brand.

Terms of the sale were not disclosed.

"The acquisition of the ITworld.com network and its database of top-quality IT buyers is an important addition to our industry-leading network of sites," said Bob Carrigan, president, IDG Communications. " ITworld.com has a wealth of qualified prospects who will be added to IDG Connect." IDG Connect is a database of several million IT buyers obtained from IDG media brands and events.

"The acquisition of the ITworld.com Site Network by IDG represents a very positive strategic step for both companies. While Accela Communications has a very proud history with ITworld.com, the sale of the site to IDG will allow us to provide maximum focus on our rapidly growing AccelaCast and AccelaWorks products," said Bill Reinstein, President/CEO of Accela Communications.

The two companies have a long-standing business relationship. IDG media brands use Accela Communications' AccelaCast and AccelaWorks products. The AccelaWorks(TM) system provides extensive data collection, analytics and data management for the AccelaCast on-demand rich media platform. Accela Communications leverages the IDG media audiences for its AccelaCast on-demand rich media programs. IDG, which is a minority investor, sold a majority stake in Accela Communications to a management team in 2003.

About Accela Communications

Accela Communications is an interactive marketing services firm that offers a collection of tools and services to produce, deliver and manage on-demand rich media communications. The company generates actionable results for customers like Advanstar, Boston Scientific, Cisco, Eli Lilly, HP, International Data Group, the Federal Reserve and Xerox through their AccelaCast(TM) on-demand rich media platform and AccelaWorks(TM) web response management system. For more information, visit www.accelacommunications.com .

About International Data Group (IDG)

International Data Group (IDG) is the world's leading technology media, events, and research company. IDG's online network includes more than 450 Web sites spanning business technology, consumer technology, digital entertainment, and video games worldwide. IDG publishes more than 300 magazines and newspapers in 85 countries including CIO, CSO, Computerworld, GamePro, InfoWorld, Macworld, Network World, and PC World. IDG's lead-generation service, IDG Connect, matches technology companies with an audience of engaged, high-quality IT professionals, influencers, and decision makers.

IDG is a leading producer of more than 750 technology-related events including Macworld Conference & Expo, LinuxWorld Conference & Expo, Entertainment for All Expo (E for All), DEMO, and IDC Directions. IDC, a subsidiary of IDG, is the premier global provider of market intelligence, advisory services, and events. Over 900 IDC analysts in more than 90 countries provide global, regional, and local expertise on technology and industry opportunities and trends.

Additional information about IDG, a privately held company, is available at http://www.idg.com .

Note: All product and company names are trademarks of their respective companies.

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