Fitbit’s new Charge brings much-welcomed features without breaking much ground

 Since 2013, the human wrist has served as the company’s primary domain. That year Fitbit offered up the Flex, a simple wearable designed to keep track of activity and sleep. A year later, it launched the Charge, a more sophisticated take on the space that introduced more advanced connected features like mobile notifications. The Charge has since become the company’s best-selling… Read More