Net.art is a form of art defined by website layouts and links that serve no purpose but to provide a collective of several new ones. I think the following net art websites will provide a better description than I can. Sorry if it's too much.

www.superbad.com
www.unosunosyunosceros.com
www.haluska.sk
www.10pm.org
www.krackdown.com
www.elgiroeneleje.org
www.one38.org
www.eboy.com
www.6168.org
www.pixeljam.com
www.exonemo.com
www.final.org
www.mashica.com
www.net-art.org
www.friendchip.com
www.marioland.de
www.d2b.org
www.lfoundation.org
www.kalx.com
www.halfempty.com
www.internet.com.uy/vibri/
www.muserna.org
www.space-invaders.com
www.presstube.com
www.d2b.org
www.e13.com
www.ctrlaltdel.org
www.bam-b.com
www.jimpunk.com
www.hell.com
www.potatoland.org
www.bakteria.org
www.medialounge.org
www.metaphsk.com
www.dream7.com
www.atari-noise.com
www.panoplie.org
www.lightofspeed.com
www.turbulence.org
www.redsmoke.com
www.fiftyfifty.org
www.day-dream.com
www.languid.com
www.nDroid.com
www.dextro.org
www.vinyllvideo.com
www.no-content.org
www.navasse.net

Thoughts?