Instructables.com : really cool web2.0 tips and how-to sharing site

While browsing the web I landed on a really cool website... After P2P encyclopedia like Wikipedia or video sharing sites such as Dailymotion or YouTube, http://www.instructables.com invites people to share... their tricks and teach other how to do such or such thing...

If you would like to discover how to create Led Throwies (the "art-light-urban-guerilla" system used behind the Aqua Teen Hunger Force campaign)...

... or to create invisible Book shelves, a lego USB stick or make a cartoon in 10 minutes... look at http://www.instructables.com and the 3741 "how to" tips already available...