Marissa Mayer's Secret Plan For Tumblr Revealed: Make It YouTube (YHOO)

Just after Yahoo bought Tumblr for $1.1 billion in the spring of 2013, several of Marissa Mayer's top product and media executives presented her with detailed plans for what Yahoo should do with its new property. To every proposal, Mayer said no. In her efforts to convince Tumblr CEO and founder David Karp to sell his company to Yahoo, Mayer had promised Karp that Tumblr would remain an independent property -- much the same way YouTube runs separately from its parent company, Google, and Instagr...