Twitter takes on Facebook Groups with invite-only Communities
Twitter Twitter is launching Communities, its rival to Facebook Groups and Reddit, for tweeting with others who share specific interests.
Starting Wednesday, Twitter users can be invited to an initial batch of Communities that include #AstroTwitter, #DogTwitter, #SkincareTwitter, and #SoleFood (a group for sneaker enthusiasts). Once people join a Community, they can tweet directly to other members rather than to just their followers. Only members of a Community can like or reply to tweets sent by other members.
Similar to how groups on Facebook and Reddit's subreddits work, each Twitter Community will have its own moderators who are able to set rules and invite or remove people. Twitter invited a handful of users to create the first Communities...