In a move only made possibly by a recent SEC announcement giving companies the OK to communicate with investors via social media, Yahoo CEO Marissa Mayer tweeted that Yahoo will be acquiring the micro-blogging site Tumblr.
https://twitter.com/marissamayer/status/336454382495354881
Searching for relevancy among increasingly younger Internet users, Mayer acquired the site for $1.1 billion with the promise not to "screw it up."



