“Groovy Motherfucker”

“Geometry riddle: When is a square not a square? Answer: When it’s in New England.” I ♥ this.

A fab project from Stamen’s Mike Migurski that I’d somehow missed. Print out an area map, walk around notating your paper copy, then scan it and submit it back to help make the data more widely available. A fantastic use of “Papernet”

Very nifty Google Maps-like tiled-and-draggable front-end to the Open Street Map data. I was surprised how detailed the data was for my neighbourhood, but I guess I shouldn’t have been, given the high geek-density round here.

Twitter posts plotted on a world map in real-ish time.

Site which gives you walking directions around London. Since most major cities have wacky one-way restrictions, driving directions are rarely handy. I’m surprised Google Maps et al don’t support this kind of thing.