Yahoo announced early this morning that it has agreed to pay $1.1 billion for Tumblr, the six-year-old blogging site that touts more than 100 million users, but little in the form of revenue. While Tumblr users have already expressed concerns that the site could end up cluttered with ads, Yahoo CEO Marissa Mayer promises “not to screw it up.” The deal marks the largest social acquisition in years, surpassing last year’s $1 billion purchase of Instagram by Facebook. Continue reading Yahoo Announces $1.1 Billion Acquisition Plan for Tumblr