Five years ago, chronic procrastinator Maneesh Sethi hired a woman via Craigslist to slap him in the face any time he strayed off task. The $8-per-hour investment in "Kara The Slapper" quickly paid big dividends, as Sethi quadrupled his productivity AND spawned the concept of Pavlok, a bracelet that can deliver a behavior-altering jolt with […]