World Photographic Mosaic May 2nd: Take Part!
There is a photo mosaic project being run by a prominent US newspaper. Basically, you get a bunch of people all to take a photo at the same time (02/05/2010 15:00 UTC), wherever they are. Then you upload those photos to a single website, where they are cataloged. There is more information here:
At the appointed time, it will be daylight in America, Europe and Africa. Most of Asia and Australia will be dark. To see if it will be daylight or nighttime where you live, check here:
It looks like a cool idea to me and I thought you might all enjoy it.