When Ludicorp co-founders Stewart Butterfield and Caterina Fake sold Flickr to Yahoo, they also moved from their Vancouver headquarters to the Bay Area to take up jobs at the Sunnyvale campus of the new parent company. Their biggest innovation since was the birth of their daughter, Sonnet — which took considerably less time than adding video to the photo sharing site. Now Fake and Butterfield have joined the stampede, with Fake having left Yahoo on Friday and Butterfield due to stick around until July 12, reports TechCrunch — confirming rumors we'd heard regarding Butterfield's plans to move on. (Photo by Caterina Fake)

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