Insteat of face to face contact, online interlocution becomes famous. Facebook, MSN, and Tweet are good examples. Also people use internet exchange their details or technology.
Pixiv is a Japanese website for people upload thier illustration work. It is a field for illustrators exchange there technique and drawing exprience. In this website, user can uploap their own picture without size and pixel reduce, audience can get full size illustrations as well.
The same with Pixiv, DeviantART is a art platform for artists and who interested in art works.