You look up at the clock, realizing hours have flown by because you’ve lost yourself in work. When the day ends, you feel happy, knowing you spent your time deliberately. This is Flow: the perfect state of productivity. But most of us reach this state far too seldom.While it’s easy to blame social media, the apps we use for work can be just as distracting. Switching between apps and contexts adds up when we’re at our computers for eight hours a day. Simple actions turn into long series of clicks...