Review: Jawbone UP2

Introduction and DesignPutting the technical guts of a gadget into a newer, shinier body is a long-held tradition in the consumer technology industry. While the UP2 looks a lot like the UP3 in terms of its newer wristband design, from a feature perspective it's almost entirely the same as the UP24 that it has replaced.Just like the UP24, the UP2 will track your steps and sleep and display your performance on the UP app, but lacks the more advanced sensors found on Jawbone's top-of-the-line fitne