The Kids Love Twitter; Facebook, Not So Much

Teens want a drama-free social network. Twitter looks to be that network.
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How Many Users Does Tumblr Really Have?

Yahoo says it acquired 300 million new users yesterday. But, for now, the number advertisers care about will be much smaller.
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Quora CEO Adam D’Angelo: We’re Playing a Long-Term Game

“I have a view that if you build something that’s good, and you keep making it better, it lasts,” says D’Angelo.
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Pinterest Makes Pins More Than Pretty Pictures

Pinterest brings information from the rest of the Web deeper into its site, like any good emerging social platform.
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Yahoo Tumblrs for Cool: Board Approves $1.1 Billion Deal as Expected

Done (just like we said).
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Why Yahoo Doesn’t Think Tumblr Has a Porn Problem

Does Tumblr host a lot of pictures of naked people? Yep. But they’ve got an ad plan that deals with that.
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Time Machine! Tumblr’s David Karp in 2007, Age 21.

Back when he was 21, had 75,000 users and was raising $750,000.
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Syrian Electronic Army Leaves Its Mark on the Financial Times

Another western media organization is attacked by the pro-Assad group of digital pranksters.
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Social Media Pose New Riddle for CIA

Effective spycraft has long called for cover — a job, family or routine that would keep a government agent from drawing undue attention. Now, that calculation extends to spies’ use of social media.

Google+ Gets a Bit More Pinteresting