Now, this is a site I have been using for several years now. I started out looking for missing episodes of the Daily Word from the Colbert Report, and now I use it frequently. When Apple posted a list of songs for Valentine's Day, I watched each one on You Tube. When I consider buying tickets for a show, I check out the entertainer's videos. I also use it to find explanations of things, like the Web 2.0 videos.
So here's my contribution: Rube Goldberg in the Library.