Streamer Sethbling is teaching a computer program to play Super Mario Kart, and you can watch the thing learn (and occasionally drive off the road) in real-time on his Twitch. I for one welcome our new Kart-playing overlords.
“Someone” you mean Sethbling? The guy whose content Kotaku frequently features?
EDIT: Also to clarify, he isn’t teaching the computer program to play, the AI is designed to teach itself. So it has to teach itself to “see” the track and “where” it is in relation to what it “sees” and do certain button combinations to get through the track.
The first thing it had to teach itself was to hold the B button to accelerate.