Wired: Fitness Trackers Use Psychology to Motivate Couch Potatoes

Google Alerts just pinged me that +WIRED ran a story following up on my blog post on how I am using +Fitbit and enjoying the friendly competition with peers in terms of the number of steps, stairs climbed, etc. Does a little friendly banter and a few badges have a real-world impact? Absolutely. Fun to see this story get some legs. (No pun intended)
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