Facebook CEO Mark Zuckerberg made a surprise appearance at Samsung’s Mobile World Congress press conference Sunday to talk up progress in virtual reality and to promote VR in the future as “the most social platform.” Facebook, of course, paid some $2 billion in 2014 to buy Oculus which has been working with Samsung on its Gear VR consumer headsets.

In fact, Zuckerberg appeared on stage during the MWC event just after audience members took off the Gear VR headsets they had donned to experience virtual reality during Samsung’s presentation. Zuckerberg is actually scheduled to deliver a keynote address to MWC attendees Monday, presumably to address Internet.org and Facebook’s struggles to bring affordable Internet to poor places around the world, which has met opposition because of net neutrality concerns. READ MORE