Watch out: Facebook has a VR selfie stick

If there are two hot new tech trends that make their users look colossally dumb, they're virtual reality and selfie sticks. At its F8 developer conference today, Facebook showed how the two can be brought together in an unholy marriage.Facebook CTO Mike Schroepfer showed off a demo using the Oculus Rift and its touch controller that let him share a VR space with someone at Facebook's campus. While there, they explored several 360-degree photos from London, before arriving in front of Big Ben.&nb