Just over a month has passed since Tumblr introduced sponsored posts on mobile, its first ad unit that looks and feels like a regular post. [...]

Confirming rumors that were swirling around last week, Yahoo this morning announced that it has acquired Tumblr for about $1.1 billion. However, unlike other acquisitions [...]

Google announced that it will retire its Meebo Bar publishing tool on June 6th to focus more on projects like Google+ Sign-In and plug-ins. Founded [...]

Following the announcement of mobile ads, Tumblr today released a new version of its iOS app, adding several new social and usability features. Although readers [...]