Youtube vs Vimeo vs Facebook - Who is the best video host?

I have been pondering this questions for a few days, and decided since my brain simply would not stop thinking about it. It means it's something I must pay attention too. I hit the @Youtube website and found this great video that explains the basic's of my conundrum[youtube=http://www.youtube.com/watch?v=6qqtsEsAytE]