The rise and rise of Tumblr

Tumblr has never been one of the tech world's startup darlings. It's had a tiny portion of the hype that services like Twitter or even Quora have received. However, despite this, quietly, Tumblr has become massive - somewhere around last November it started to experience 'hockey stick' growth. Here's Tumblr founder David Karp talking to Techcrunch at the beginning of February: “We are growing by a quarter billion impressions every week. Last week Tumblr did 1.2 billion impressions, or pageviews, and it is adding 250 million every week. Just think about that for a second. Over the last ...

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