If you have seen aerial photos, maybe of your neighborhood, you know how difficult it is to find a street or even a house. Multimap is currently only available for England, but the idea is quite clever and I wonder why it took us so long to make aerial/mapping so much easier and actually useful.
Aerial photos. Maps. Overlaid. Fantastic. (via metafilter)
read more:
http://www.multimap.com/