There’s definitely something to celebrate in the New York start-up scene. Tumblr, which raised $85 mn in a venture capital round last year, has put up impressive numbers. In only six months, according to Business Insider, the number of posts on Tumblr has doubled … to more than 20 bn. It looks like this will help justify the $800 mn valuation the social media start-up was pushing during its last round.

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Source: Business Insider