Sure, you can grab your Nike+iPod Sport Kit
and try to work off a few calories, but will that contraption become your drill sergeant when you decide to call it quits five minutes in? For those that need constant motivation
, NTT DoCoMo has you covered -- if you understand Japanese, that is. Reportedly, the firm was showing off a D903i equipped with software that can not only "check for bad breath," but it can also check your body fat and keep tabs on your heart rate. Granted, we can't confirm that the translations shown above are entirely accurate, but this type of honesty would never fly in the US, anyway.