@15e2bc2d This is a giant leap in enabling 43% of the websites on the Internet to join the social layer of the Web. The big outstanding questions are when the plugin will be bundled by default with WordPress and when WordPress.com will include it in its free tier. 

 @facd0a4e @15e2bc2d I do not think that it will be part of WordPress core any time soon, but we are working on bringing the functionality to WordPress.com !