What is the current size of YouTube's content? How much does it grow daily?

right now its has over 60 million users.
heres the graph http://snapshot.compete.com/youtube.com

That's a very useful web analytic site.

I am interested in the size of YouTube's current content in terabytes (perhaps too small?) and the amout it increases daily.

with over a million videos uploaded everyday, I'd say it would be about 15-20 terabytes a day. YouTube is actually the most expensive site to run and the expenses were a main reason as to why youtube was old off