Edge is another interesting site for those interested in mind expansion. Not, it's not about U2 or major hallucinogenics. The site sez: "The mandate of Edge Foundation is to promote inquiry into and discussion of intellectual, philosophical, artistic, and literary issues, as well as to work for the intellectual and social achievement of society"
Within its webpages you will find Twelve Flowers by Katinka Mattson. She uses "non-photographic" techniques, employing a flat-bed scanner. Reading about it really hurts my brain. But the "non"-photos are amazing. Have a look.
Also of interest: Howard Rheingold on what he is calling smart mobs: "Smart mobs emerge when communication and computing technologies amplify human talents for cooperation." (HR)