Washington - Several lawmakers on Tuesday called peer-to-peer networks a potential "national security threat," as some users may, and in some cases have, inadvertantly made sensitive or classified documents on their computers available for sharing with others, CNET News.com reported.

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Washington - With his company battling for regulatory approval of its proposed merger with rival Sirius, Hugh Panero will resign as the CEO of XM Satellite Radio effective Aug. 10, the company said late Tuesday. [more..]

New York - News Corp.'s MySpace online social network said it has deleted the profiles of 29,000 convicted sex offenders from its service -- significantly more than the 7,000 the company said it first identified in May, Reuters reported. [more..]

Washington - An amendment to a Senate bill that would have identified the top 25 universities each year that had the most reported notices of copyright infringement from rights holders -- and decrease their federal funding -- was withdrawn without explanation on Monday by its author, Senate Majority Leader Harry Reid, CNET News.com reported. [more..]

San Francisco - Digital civil liberties group the Electronic Frontier Foundation (EFF) has sued Universal Music Publishing Group, after the company ordered a home video removed from YouTube that showed a baby dancing to a clip of Prince's song "Let's Go Crazy." [more..]

San Francisco - Russian prosecutors are targeting Denis Kvasov, former owner of controversial MP3 store AllofMP3.com, with copyright infringement charges that would include jail time, according to published reports. [more..]

Washington - The Coalition Against Domain Name Abuse (CADNA) said that it has launched a national campaign against cybersquatting -- the fraudulent abuse of domain name registration. [more..]

Woburn, Mass. - Monotype Imaging, a provider of text imaging products for consumer electronics devices, has priced its initial public offering of 11 million shares of common stock at $12 per share to raise a total of $132 million. [more..]

Newark, N.J. - Telecom and investment firm IDT Corp.'s Internet Mobile Group said on Wednesday that it has formed Zedge Studios, which will develop and license digital content for distribution through Web and mobile platforms. [more..]

Boston - Going.com, a social networking site for "20-somethings," has raised $5 million in follow-on venture capital from Highland Capital Partners and General Catalyst Partners. [more..]

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Redmond, Wash. - Microsoft announced on Wednesday that it has signed a three-year deal to become the exclusive provider of display and contextual advertising for Digg, the popular news aggregation site that attracts 17 million monthly unique users. [more..]

Los Angeles - Joost, a provider of peer-to-peer based streaming TV programming, announced that it has surpassed one million users. The free service is still in a public beta test, from which it is expected to emerge and launch officially later this year. [more..]

New York - Sirius Satellite Radio announced on Wednesday that Chrysler Group said it expects to install Sirius radios in more than 70% of its 2008 model year vehicles, an increase over the 40% it equipped last year. [more..]

Marina del Rey, Calif. - CinemaNow, a provider of downloadable movies, TV shows and music videos, announced on Wednesday that it has signed licensing agreements with Sony BMG, EMI and Sanctuary Records to offer music videos and live concert videos on its WatchMusicHere.com site. [more..]

New York - ReverbNation.com, a provider of online music marketing tools for artists, said on Wednesday that it has partnered with digital music registry Snocap on a ten-city tour that will feature artists selected through a submission process handled by the two companies. [more..]

Berlin - Popkomm, the annual music and entertainment business convention in Berlin, announced that it is searching for entrants for its Popkomm Innovation in Music and Entertainment Award, which it hopes to award to one of the "MySpaces of tomorrow," organizers said. [more..]

Los Angeles - Gemstar-TV Guide, a provider of electronic program guides for digital TV services, said on Wednesday that it has licensed its patented service to Decisionmark, for use on the company's TitanTV website, which provides a localized online program guide for all programming sources. [more..]

New York - ClipSyndicate, an ad-supported video syndication service provided by New York-based Critical Mention, said on Wednesday that it has partnered with the Agence France-Press news organization to syndicate its AFPTV service to thousands of sites in its network. [more..]

New York - Massive Inc., Microsoft's in-game advertising network business, announced on Wednesday that it has signed a deal to provide in-game ads for five titles from Electronic Arts. [more..]

Santa Monica, Calif. - The GGL (formerly Global Gaming League), an online gaming network that hosts year-round video game tournaments and events, announced on Wednesday that it has expanded its presence in China through a deal with Coca-Cola. [more..]

Sunnyvale, Calif. - Video game publisher Activision on Wednesday announced the release of "Guitar Hero Encore: Rocks the 80s," the latest installment in the popular franchise. [more..]