Tumblr receives about 130 million posts per day. The Yahoo-owned brand is one of the more popular social photo sharing sites on the Web and is now beginning to parse posts made by users to identify brand affiliations. After updating its privacy policies, Tumblr made a deal with Ditto Labs of MIT fame, which specializes
Microblogging site Tumblr is now part of the Yahoo Group. Its founder, David Karp, has sold the social media site for over US$1 billion, reports say.