Not complicated. Post a link to a [url=http://www.youtube.com]YouTube[/url] video, and then the next person comments on that video, then posts one of their own. And so on..
I'll start:
http://www.youtube.com/watch?v=K0d64p7jMn4
http://www.vgchat.com/showthread.php?t=17618
;)
Whoops. How'd I miss that? :mad:
oh well. locked.