Draw a shape on your city

Like a giant Etch a Sketch the free Pulse of the City app lets you turn your neighbourhood or city into a giant canvas using GPS technology. You can download it for free .

I mapped out a heart, British fashion designer Henry Holland mapped out his House of Holland logo and check out the video to see what Cool Hunting founder Josh Rubin and DJ Natasha Slater as well as members of the public choose for their own pieces.