Facebook is using Apple's playbook for virtual reality. Google is using Google's.

Here comes Google's big VR splash. At Google's big I/O developer show next week, expect plenty of virtual reality buzz. If you're there, you might get to take a treat home. Sources confirmed that the company will be unmasking new VR features for its Android software and a spruced-up version of its cheap Cardboard VR viewing headset, as the Financial Times first reported. Other reports suggest Google is set to deliver a standalone headset -- untethered to a smartphone or computer -- that competes...