Computer learning has come a long way. They used to be able just to play chess. Now, they run factories, they operate cars, and all sorts of other things. But they're still not quite human, as the Replika app proves. Replika isn't artificial intelligence program that allows users to have conversations with an AI. They're pretty good, but sometimes, they're a little off, as users of the Reddit forum r/Replika are quick to point out.