Tumblr introduces group spaces with Communities

Tumblr is taking a page from Reddit and Facebook with its new "Communities" feature, which are digital spaces like subreddits and Facebook groups."Communities are a new and easy way to connect with the people on Tumblr who get it," Tumblr said in a post announcing the feature. "You can invite mutuals who share your obsessions to a private Community or start a public Community for the things you love and watch all the new friends pile in. Like a clown car, Communities can fit (almost) as many peo