Quadstreaker launches - streak the world one Quad at a time(thenextweb.com)

http://thenextweb.com/apps/2013/04/01/quadstreaker-is-a-scratch-map-for-iphone-that-records-where-youve-been-with-brightly-colored-squares/?utm_source=HackerNews&utm_medium=share%2Bbutton&utm_content=Quadstreaker%20is%20a%20scratch%20map%20for%20iPhone%20that%20records%20where%20you%E2%80%99ve%20been%20with%20brightly%20colored%20squares&utm_campaign=social%2Bmedia