Many modern knowledge workers now spend most of their brain power battling distraction and interruption, whether because of the incessant pinging of devices, noisy open-plan offices or the difficulty of deciding what deserves your attention the most. When Cal Newport coined the term 'deep work' on his popular blog, Study Hacks, in 2012, he found the concept quickly hit a nerve. Most of us, after all, are excruciatingly familiar with shallow work instead - distractedly skimming the surface of ou ...