Introduction

Whether it is something that makes life a little easier or just for fun, everybody enjoys cool gadgets and small things. Wearables are all the rage with many companies trying to produce watches and bands in various forms.

Whether a wearable is an enhanced watch, a fitness band, or a fully digital watch with app support, all the wearables have one thing in common—they provide users an enhanced experience and are easily worn on the wrists.

Most devices worn on the wrist are watches and, even with modern mobile phones, watches remain the primary mobile timekeeping means. They are light, fashionable, and reliable. Wearables can be deemed to be devices that not only keep these basic requirements, but also provide additional features.

Wearables not only display the accurate time, but they also provide a constant stream of current, relevant, and useful information. Thus, the information is relevant to the user's current location, time, and environment.

Wearables often extend...