Ever since Neal Stephenson published Snow Crash in 1992, the virtual world he described in his seminal dystopian novel has been the Holy Grail for a generation of tech whizzes. The metaverse, as Stephenson called it, was essentially the Internet. But in place of the flat, two-dimensional World Wide Web that had just been invented, he imagined a completely immersive and highly social 3D online world. People's avatars, or virtual representations of themselves, could interact using facial expressions and body language so richly textured that for many the metaverse became more compelling than the real world. Now, 15 years later, the glimmers of a real metaverse are coming into focus. You can see it in the popular online role-playing game World of Warcraft, which is revolutionizing online games with sophisticated graphics and complex team strategy.


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