Pavlok is a habit-forming wearable that will shock you

24 Jul 2014 • engadget.com

Pavlok isn’t just about zapping you every time you skip the gym, there’s a social element. By teaming up with a partner, you’re forced to become more accountable to someone else, which Sethi’s research suggests will make achieving them more likely. … Fail to complete [your goals], and your friend gets to push the buzz-button.

The first wearable designed for masochists.