The difference with Tumblr to Facebook and Twitter is that most of its content is originally created on the platform by Tumblr users via short-form blogs, many of them visual. about the genres of content, art and media you’re. Tumblr is a microblogging and social networking website founded by David Karp in 2007, and owned by Oath Inc. The service allows users to post multimedia and other. "The idea is…