> Before AlphaGo existed, many of them thought it would be decades before a Go AI beat the best humans To be fair, before the AlphaGo paper came out, many AI r

> Before AlphaGo existed, many of them thought it would be decades before a Go AI beat the best humans To be fair, before the AlphaGo paper came out, many AI researchers thought the same. I'm not in that field, though I do have more than a passing interest. If you'd asked me in 2006, I'd have said we would have robot cars before we had a computer 9dan Go professional -- and that was before all the recent progress on robot cars. My AI researcher friends mostly would have agreed with that.