Well, nobody knew (or knows) how big instagram will get. Tumblr has already peaked. Also, tumblr is too anonymous to be of any value to facebook. Not much to

Well, nobody knew (or knows) how big instagram will get. Tumblr has already peaked. Also, tumblr is too anonymous to be of any value to facebook. Not much to exploit there. I don't think forcing Real Name™ upon every tumblr would make for a happy Internet.