Idea: Digital Graffiti Using AR you can 'tag' any location in | Startups & Ventures

Idea: Digital Graffiti
Using AR you can "tag" any location in the world and paint on it. It can only be seen holding a phone up to it.

Example: go to a supermarket, hold up your phone and draw all over the cereal aisle. Anyone who has the app can hold up their phone and see your art through the app. It's like having a different layer of the world.