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Is the Twitter Sky Falling? Not for Us, Says TweetDeck.

Peter Kafka in Media on April 13, 2010 at 7:48 am PT

The founder of popular Twitter client TweetDeck says he’s not worried about competing with Twitter for users. The other guys, though…

Another Twitter Business That Doesn’t Make Money for Twitter: Pay Per Twitterer

Peter Kafka in Media on June 17, 2009 at 3:00 am PT

Yet another addition to the Twitter ecosystem of companies based on the microblogging service, but that don’t pay it a dime: Pontiflex, which is trying to charge marketers for each Twitter user name it collects.