There were plenty of trends here at CES 2013, and we'd be remiss to overlook all of the activity trackers and other health-related tech devices that were shown off at the show. If you're looking to catch up, you're in the right place.
Invasion of the body trackers: take me to your leader
Fitness devices break out at CES, but there's still no obvious winner
Fitbit Flex wristband with Bluetooth could be the best activity tracker yet
Android app update enables wireless syncing later this month
