Our attention has never been as overwhelmed or in-demand as it is today; we've never been so busy while accomplishing so little, and we've grown uncomfortable with boredom and a lack of stimulation and distraction. In Hyperfocus, Chris Bailey - described by TED.com as 'the most productive man you could ever hope to meet' - provides profound insights into how we can best manage our attention. He reveals how the brain switches between two mental modes...