Adobe Photoshop is a great piece of computer software used mostly by professional photographers and graphic designers. It's also used for funny face swaps or super imposing your friends into ridiculous situations.

Photographer, Erik Johansson, decided to show off his editing skills with some unsuspecting people at a bus stop. First, taking a photo of the person waiting for a bus, Johansson then uses a monitor hung up at the bus stop to create a real-time advertisement featuring that person's photo.