Earthmine, a geo-mapping company have created a 3d map of San Francisco that anyone can jump into and graffiti on through an application. The app is called Wild Style City and is a good example of augmented reality working its way into app stores. Join discussion...

This mural has had several modifications made by the general public. In particular, this chap now unabashedly sports a new, bright red appendage. Join discussion...

Other side marked too. Join discussion...