Tumblr launches sponsored content May 6, 2012 Posted in Original Content http://digitalmedia.strategyeye.com/article/W0cUA7FUJ7U/2012/05/03/tumblr_focuses_on_revenues_as_it_launches_sponsored_posts Advertisement Share this:TwitterFacebookPinterestTumblrLinkedInRedditLike this:Like Loading... Related Published by Admin View all posts by Admin