The (imperfect) future is here: tracking gadgets are all the rage at CES 2014

Three wearable health trackers are ready for your wrist right now: Nike FuelBand, Jawbone Up and Fitbit Force. The WSJ puts them through their paces to see which may work best for you. In my case: none. Priced at $150, all them do too little for too much money:



Why limit your options to a wrist band? Spark Activity Tracker can be attached to any piece of clothing and it waterproof:



The connected toothbrush by Kolibree knows if you're brushing all 4 quadrants inside your mouth, and more more importantly, if your kids use the toothbrush at all (the app allows up to 5 profiles):