Ok, my new addiction has to be Flickr Maps (or is ot Flickr Mps?) As always, sign-in for a majority of the photos. And since you've probably already seen all of my photos, here's the overall collaborative page for Flickr Map page.
According to the Flickr Blg, they released this on Aug. 28 and hoped that within a month they'd have a million photos on the map. But in 24 hours they had 1.2 million and another 400k 9 hours later. That's kinda cool.