to finally making me think about Youtube (OK I know I am late to the party) I immediately found some thought provoking resources that link nicely with the interesting but slightly depressing EPIC video i blogged link here a while ago.
Really nice read write web intro movie
Web 2.0 ... The Machine is Us/ing Us http://www.youtube.com/watch?v=6gmP4nk0EOE
More formal but great video again understanding web 2.00
I will look at YouTube more.