 Now, half a century later, about 500 million Rubik's Cubes, official versions and lookalikes have been sold worldwide. And solving it has become a competitive sport. The World Cube Association... There's an association for everything. Yeah, that's what the script says. I wouldn't know. Now, the World Cube Association says the current world record set last year is just over three seconds. You can watch it on YouTube. Three seconds. Must be a very short video.