Re: We are only thinking of your health
"I think you have discovered a new source of green energy! We can use treadmill-generators to run our data centres."
No ... given the reported battery life issues, you need to be on the treadmill to keep the Apple Watch powered up. Some commentators have noted that this tends to limit the portability of the device, but Apples Execs have been keen to highlight the health benefits of a smartwatch which requires you to be constantly active to keep it charged.