Videos online

I had no idea that there were so many free videos out there to view. They are an optometrist's dream! The quality of some is questionable and some take forever to download if at all. What is the difference between You Tube and Google video? We love our NJ libraries and QandANJ were good quality. I did take a look at a couple from the SLNSW and Tamworth Library.Take a look at the one I embedded from YouTube...