YouTube and reverse fame

So I was listening to a Barenaked Ladies live album from a performance from London recorded on 3/30/2007. During the show, one of the band members was talking about an experience he had getting out of a tube (subway) station there. He saw someone he thought he recognized, thought for a minute and then remembered--he had seen him on YouTube singing a cover of "Brian Wilson", one of their songs. He went up to the young man to talk to him and the man did not even recognize him until the band member said who he was.

I think this makes an interesting statement about the age of social computing, where everyone is a publisher thanks to blogs, and everyone can be a rock star thanks to YouTube. Here was a situtation where the "famous" band member recognized the "nobody" before the "nobody" recognized him--and the band member went up to talk to the nobody because of it and then went on to bring it up and speak highly of him during the concert.