If you haven't seen this clip you need to now, it's the best use of Chatroulette (or Chat Roulette) we've seen that doesn't involve penises. The piano improv guy basically logs on to different people and immediately begins singing about them. Well, you can see for yourself:
A lot of people speculated that the piano guy was Ben Folds going incognito. It wasn't - but Folds himself has hot in on the meme by posting his own YouTube response:
What are your favourite Chatroulette moments?