Don't expect Apple to debut a headset or wrist-worn iDevice any time soon.

CNN: What Tim Cook's comments reveal about Apple's future

Movable is a wrist-worn activity band to monitor exercise, but it includes an app that lets you set challenges for your family or group.

FORBES: Childhood Obesity Help From Innovative Companies

Microsoft suggests a wrist-worn computer could be used to operate the device, or alternatively the user might control it through voice-commands and flicking their eyes to a certain spot.

BBC: Microsoft patent

The device, which is about the size of an Apple iPod Nano or a square-shaped matchbox, can be attached to a strap and worn on the wrist or the upper arm.

FORBES: Behind Motorola's New Fitness Tracker: 'Emotional Connection' With Users