Tumblr is a microblogging platform and social networking website allowing users to post multimedia and other content to a short-form blog. Its users also have the ability to follow other users' blogs, as well as make their blogs private. Much of the Tumblr’s features are accessed from the dashboard interface, where the option to post content and posts of followed blogs appear. This media network is powered by an army of independent creators and is the home to an audience of more than 400 million unique visitors. Founded by David Karp in 2007, Tumblr is headquartered in New York. The company was acquired by Yahoo in 2013.