Every January countless Americans vow to get in better shape. Make this year different with these gadgets - no personal trainer required.
If you are just looking for the most efficient way to lose weight
Price: $199 for armband, $79 for watch; $10 a month after six months; 24hourfitness.com
When strapped to your arm, the Bodybugg uses your temperature, sweat, and movement to calculate how many calories you're burning throughout the day. Plug the gadget into a PC to select the food you've eaten -- and you'll get assessments and advice on dropping pounds.