Tonight's episode of "The Amazing Race" will be dictated by the Fitbits on the contestants' wrists. CBS has long been tracking contestants on its reality shows, and Fitbit Charge activity data has been referenced all season on a leader board, but tonight there's full on integration with the challenge.
The HoloLens looks like a device that could change the face of computing. It is a headset like the Oculus Rift, but unlike Facebook's virtual reality device, the HoloLens doesn't immerse you completely in an alternative reality, but overlays a virtual world on top of the real world, allowing you to interact with the holograms and letting the holograms interact with the real world.
Keeping fit used to be its own reward. Now, living healthy can also save you money on life insurance, if you're willing to share statistics about your fitness campaign gathered on a smart watch, fitness band, or mobile phone. On Monday, John Hancock Insurance dangled a new app ("Vitality") for iPhone, iPod Touch, and Apple Watch users that enables the deal, working with Apple's HealthKit platform to track your vitals and good conduct.