Jawbone is well-known for its stylish Bluetooth headsets, but the company's forthcoming Jawbone Up is designed for a completely different task -- tracking your activity, sleeping, and eating activities.
Packaged in an attractive wristband that comes in a range of bright colors, the Up is loaded with sensors and communicates with a companion app on your iPhone or Android phone. For food intake, it's expected that the app will use a photo-based technology like that built into the PhotoCalorie a
