Late last year, Motorola announced its MOTOACTV device for fitness fanatics. Since then, the wrist-mounted gadget got a firmware update for better battery life, and on March 9th it's getting another fresh dose of code that brings even more functionality. The update adds 40 new custom activities including yoga, handball, skiing and dancing, so you can track all your fitness endeavors individually. The new code also allows users to activate the display with a flick of the wrist (instead of pressing the power button) and conf