The "quantified self": It's a lifestyle philosophy that says tracking one's own personal data -- calories burned, hours slept, miles run -- is the path to self-realization. All this data-tracking requires gadgets, and many innovative specimens were on display at CES 2012 last month.
When it comes to your health, correcting bad behavior after periodic visits to the doctor is a step in the right direction. And it's even more likely that you'll make positive lifestyle adjustments based on, say, weekly visits to a personal trainer or daily weigh-ins on your bathroom scale. But turn yourself into a platform of analysis in the Internet of Things, and you’ve got real-time feedback loops to help keep you on target and alert you to problems. Your body is an API that developers are just beginning to figure out
Check John Bradley's post on Wired to check the nine of the most interesting personal data-tracking gadgets that he saw at CES