Jawbone Toughens ‘Up’ Bracelet for Extreme Punishment

[youtube https://www.youtube.com/watch?v=l3xk48GsPIg?enablejsapi=1&&w=640&h=360] The Jawbone Up debuted last year with big ambitions: A bracelet-like device that you’d wear all the time, tracking how much you move and how well you sleep. Paired with an app, the Up helps you recognize patterns in your habits, empowering you to improve your health. One problem: It wasn’t built to […]