Thanks to their ability to
our most primal desires for connection, distraction and validation, smartphones have become some of the bestselling devices of all time. Apple have sold more than a billion iPhones since its launch in 2007. By one estimate, we spend an average of almost five hours a day
at their little screens. The real figure is probably higher: a team of British psychologists found that people tend to underestimate the time spent on their phones by about half, whole hours just
in the fog.