German Spiegel reports on some numbers of how much the YouTube guys made when the company was acquired by Google.
http://www.spiegel.de/netzwelt/web/0,1518,465048,00.html
http://www.sec.gov/Archives/edgar/data/1288776/000119312507022578/ds3asr.htm

Founder Chad Hurley: $345 million (in Google stock)
Founder Steve Chen: $326 million (in Google stock)
Ex-YouTuber Jawed Karim: $83 million (in Google stock)
Sequoia Capital: $442 million (in Google stock)

Amazing... I think YouTube IS NOT the best video sharing portal, but the most used. So it was the right decision to buy it, although there are projects with more adorable features.