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Thanks to their ability to hijackdescribesharpenconserve hijack 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 watchingwagglingsnoringstaring staring 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 has evaporatedevaporatesevaporateevaporating evaporating in the fog.