Packed with tested strategies and practical tips, this 30-day plan is the essential, life-changing guide to setting boundaries with your smartphone. "The Marie Kondo of brains . . . for the first time in a long time, I'm starting to feel like a human again."--Kevin Roose, The New York Times Is your phone the first thing you reach for in the morning and the last thing you touch before bed? Do you frequently pick it up "just to check," only to look...