Beeper, the upstart messaging app that attempts to corral all your messaging services into one inbox, is being acquired by Automattic, the giant that runs WordPress.com, Tumblr, and a number of other hugely popular web properties. The deal closed last week and was announced officially on Tuesday. Along with the announcement, Beeper is also opening up its app to everyone for the first time across platforms, shutting down its waitlist for good.

There’s a fascinating backstory here on all…