Artists on the internet
http://stephentruax.com/wordpress/2011/02/10/artists-on-the-internet/

http://122909a.com/?tag=contemporary-art

http://jip.javamuseum.org/jipblog/?page_id=107 (important for references)

http://www.ubermorgen.com/2010/index.html

http://lab404.com/330/ (net art class)