On the Tinder for robots, you don’t swipe left or right — you instead rate them on likability, appearance and overall desirability. Too many bad "appearance" ratings, and a bot lands in a modern hall of shame: the World’s Creepiest Robots.
Why it matters: Today’s most useful robots are giant arms that assemble cars and smartphones in enormous factories. But in the near future, robot builders want to make social bots that elicit empathy from people. First, they have to figure out how to make ones that aren’t totally horrifying.