“Fitbit zip” collection

Fantastic Fitbit Force is a Healthy Upgrade to the Flex

There is quite a rage going on now around wearable computers and devices, and Fitbit has been leading the charge of producing gadgets you wear that track your activity. A year ago, I was introduced to the Fitbit Flex, which is a rechargeable wristband that measured movements and activity as well as a whole lot more. I wore it almost…