Tumblr Math

    Add these up: 170 million visitors and 18 billion pageviews per month, an $800 million valuation equaling $13 million in revenue for all of 2012. Operational costs were $25 million. By comparison, the Infinity Blade iOS gaming franchise has made over $30 million.

    Matt Buchanan
    by Matt Buchanan

    BuzzFeed Staff

    Tumblr Math

    forbes.com

    Add these up: 170 million visitors and 18 billion pageviews per month, an $800 million valuation equaling $13 million in revenue for all of 2012. Operational costs were $25 million. By comparison, the Infinity Blade iOS gaming franchise has made over $30 million.