Twitter stream platform company TweetDeck has raised $3 million in Series B from incubator company Betaworks. Other investors include Ron Conway, Danny Rimer, Accelerator Group, Roger Ehrenberg, and Howard Lindzon. TweetDeck now has a total of $5.3 million in funding.
TweetDeck has seen about 15 million downloads thus far. TweetDeck recently started to support MySpace, Facebook, and LinkedIn. Now they have support for Google Buzz, Foursquare, and others. Below is a video demo of TweetDeck’s newest features.