I do see the Oculus/Rift branding being repurposed for a Facebook social experience, if not an entire platform for phones to support, but in the realm of PC gaming or anything that requires desktop GPU/CPU levels of power, I imagine they'll always be second fiddle and will be surprised if they last much longer. Tim Sweeney is claiming the Vive outsells the Rift 2-to-1 right now. That's damning for a company with Facebook heft behind it and several years of community engagement, developer kits, hype, etc which ultimately when up against a product that came out of nowhere but delivered everything on day one: controllers, roomscale, good fov, amazing tracking, immersion, etc as well as trivially being able to do seated/standing experiences.