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MarI/O

SethBling wrote a program made of neural networks and genetic algorithms called MarI/O that taught itself how to play Super Mario World. This six-minute video is a pretty easy-to-understand explanation of the concepts involved.

But here’s the thing: as impressive as it is, MarI/O actually has very little idea how to play Super Mario World at all. Each time the program is presented with a new level, it has to learn how to play all over again. Which is what it’s doing right now on Twitch. (via waxy)