Jawbone's updated UP, and the weirdness of health trackers

It's been almost a year to the day since Jawbone released the UP, a wristband computer that tracks motion - the number of steps you take and the hours you sleep, mostly.

http://tech.fortune.cnn.com/2013/11/21/jawbones-updated-up-and-the-weirdness-of-health-trackers/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+fortunebrainstormtech+%28Fortune+Brainstorm+Tech%29