Unless you’re living under a rock, you’ve heard about virtual reality. You might have even seen it. But if you’re still not convinced, this Vanity Fair story on Facebook’s $2 billion bet on Oculus Rift should do the trick: “There are certain things in the future that you know will happen,” Mark Zuckerberg continued. “The real challenge is figuring out what’s possible now and how exactly do you make it.” This is the future.