If youtube will have VISUAL ART category more artists will join youtube and it'll be more professional and popular site among the artists of the world. Because learning art just by yourself isn't enough. That's why people visit exhibitions and try to get something new from others...
Today, as we live in a different life with internet and so on..part of our life becomes virtual..That's why some people have facebook, twiter and so on. But, we need YouTube! We need YouTube to be part of our lives!