Rectangles are places for practice. Probably because they are proportional to the body, making them the most natural space for practice. You can see them anywhere civilizations exist, from the Forbidden city in China, to Mark Rothko’s paintings. Rectangular objects like a prayer rug, a yoga mat or a typical church, are places where people try to unify the mind and body through sacred sacrifice, like prostration. Today, no other rectangular object is as religiously practiced upon as the one we carry in our palms: the device.