The artist Helmut Grill worked for many years in the field of photographic manipulation. In the early years, the necessary equipment for this venture would take up an entire room. Now, Photoshop is a standard application on every computer—almost no photo goes unretouched. Those with advanced skills in this craft are among the highest-paid in the media industry. But despite our awareness of this sophisticated process, we still engage in the game of believing what we see, or at least enjoying the challenge of thinking we can still determine what’s real or what’s not.