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Everyone is obviously talking about the Facebook/FriendFeed deal, but everyone wants to know one key detail: How much did Facebook pay?

The popular social networking site Twitter has been hit by a denial of service attack, according to Twitter co-founder Biz Stone. In an e-mail to CNN.com, Stone said this morning's attack is not related to a recent incident in which a hacker stole internal documents from the site. Twitter's site went down around 9:30 a.m. ET.

A star player who was fined thousands of dollars for a post about the quality of training-camp foods is talking about his tweet.

Antonio Cromartie was fined $2,500 by the San Diego Chargers after a post last Friday about the fare the Chargers were serving.

It's no secret that Twitter has become a preferred playground for spammers. Hashrocket's TweetBlocker sets out to change this by giving users a simple tool to easily identify spammers in the group of users they are following. TweetBlocker automatically identifies the spammers in your follow list and lets you easily unfollow and block them right from the TweetBlocker dashboard.

The U.S. Marine Corps has banned Twitter, Facebook, MySpace and other social media sites from its networks, effective immediately.

If Twitter needed to pay for the media coverage the company and service gets across the board, it would have spent almost as ...

The microblogging service fears the social network could put it out of business.

Twitter seeks legal advice after hundreds of documents were hacked and a number of blogs publish some of the stolen material.

Microsoft, in cooperation with Federated Media and Twitter, launched its own full-blown Twitter search engine today. BingTweets mashes up real-time Twitter search with results from Bing, Microsoft's new and increasingly popular search engine.

Twitter has hired Alexander Macgillivray, Google's associate general counsel for Product and IP, as their new General Counsel, we've confirmed.