Can Your Boss Put a Tracking Device on You?

"Those of us trying to lose some pounds after overindulging this holiday season can get help from a slew of smartphone apps that count steps climbed and calories burned. Self-tracking has also become a way for companies to make money using your fitness data. And some experts worry that the data collected could be used against users in the long run. At a recent Quantified Self Meetup in downtow ...