From the time I was 7, when I purchased my first calculator, I was fascinated by the idea of a machine that could compute things.
Wearable devices are here to stay, and they'll only get more sophisticated and effective as they evolve. Until now, most of us have made our health and fitness decisions based on what we think we know about ourselves. Advancements in technology - wearables and otherwise - will eventually take much of the guess work out of healthy living.