Etch A Sketch for the 21st century.

It’s funny, but graffiti still makes some people really mad. Enter YrWall, an interactive digital graffiti wall that uses a special modified ‘spray can’ that sprays infrared light instead of smelly paint and is tracked using a smart computer vision system. It’s the brainchild of UK-based interactive visual art co Lumacoustics, which has its roots in the Bristol street art scene. Who knew?