YouTube.com has made a splash in the Internet world taking what all ready existed and fine tuning it for the masses. Sense Napster has made the waves before in copyright issues chances are that YouTube.com can avoid being killed by lawsuits. Reality is that Tv is turnning into a video segement rather then a clear Tv only.
They have the big names helping them out http://www.sequoiacap.com/scpartner.asp?pid=4406 Roelof Botha, Past CEO of paypal.
The founders are Chad Hurley, 29, and Steve Chen, 27 which from reading this article they used a illertivate model where they started small to see if it would work then listened to people.
Though their domain was created in feb 2005 and funding by nov 2005, 7 to 8 months to venture capital funding.
http://www.redherring.com/Article.aspx?a=14376&hed=YouTube+Scores+%243.5+Million
blockbuster store / day in nov 2005 , 8 terabytes. So if they had thousands of stores that would be one hell of data.