Design for Smartwatches: An Introduction

Last year Apple finally announced the Apple Watch, which is due to be released in the next couple of months. As the last major player to launch a smartwatch, wearable technology will soon become as common as the iPhone.
Just like mobile devices, wearables have specific design principles which I will be exploring over a series of posts. In this post I will start by introducing the various design concepts for creating on smaller screens.