San Francisco - Online social network Facebook has introduced Facebook Connect, which allows outside websites and applications to share data back and forth. The company launched the new feature with 24 partners, including Digg, Movable Type creators Six Apart and Citysearch. The feature allows, for instance, Facebook users to sign in to Digg with their Facebook account authentication, and to have news stories they select via Digg, or comments they leave on Movable Type blogs to show up in their Facebook news feeds.

New York - InterActiveCorp. (IAC) (NASD: IACI) has announced plans to launch an online advertising network that will cover all of its 26 various brands and Web properties, including Evite, Citysearch and Match.com.

New York - IAC (NASD: IACI) , the media conglomerate run by Barry Diller that owns Ticketmaster, Citysearch, Ask.com and many other properties, announced on Monday a plan to split IAC into five publicly-traded companies. "We've been a complex enterprise almost from the very beginning 12 years ago, with hundreds of transactions over those years. And while we've created a lot of value, I've always believed our complexity and many mouthfuls of sentences to explain who we are and what our strategy is have hampered clarity and understanding with all our constituencies, particularly investors," said IAC chairman and CEO Barry Diller.

West Hollywood, Calif. - IAC/InterActive Corp.'s Ticketmaster announced on Monday that it will acquire a majority stake in Nashville-based Echomusic, an online fan club and brand management company whose 300 clients include Kelly Clarkson and Rascal Flatts.

West Hollywood, Calif. - Local city guide Citysearch, a unit of InterActiveCorp (IAC), announced that it will acquire Insider Pages, a provider of local search and user-generated reviews of local businesses in 30 U.S. markets.

Chicago - Mdog.com on Tuesday launched mobile editions of popular websites including eBay, Craigslist, Wikipedia, Citysearch and MySpace. The free Mdog.com portal is compatible will all carrier services on any Web-enabled mobile device. The new mobile sites will allow users to securely view post bids on eBay, and view online classifieds from Craigslist, among other features. Chicago-based Mdog.com also soon plans to launch its Bingo mobile search engine.