It comes as no surprise that students use YouTube for fun and for research, because it's easy to use and has a lot of content. Respected music writer Norman Lebrecht writes about how he too has been pulled into YouTube.
While he's writing about music specifically, there is also a lot of dance content. Looking for a demonstration of how a dance move goes (especially popular dance)? Try searching YouTube. Theatre researchers can also use YouTube to their benefit. Of course, as with any tool, you have to evaluate what you find here critically. But, YouTube can be very useful.
How YouTube shrank the classical world
By Norman Lebrecht / June 25, 2008
the Lebrecht Weekly in LaScena Musicale