Announced on Oct 23, 2014.
Mobile app only. Message boards created and moderated by individual users. Contributors to each forum are invited to participate via QR codes.
Wikipedia on mobile - Mar 03, 2014
Live streaming mobile video apps - Mar 26, 2015
Circa's mobile app versus the web and RSS - Jul 23, 2014
Facebook's mobile app strategy for 2014 - Mar 03, 2014
Native apps vs open web - nov 2014 - Nov 18, 2014