People prefer wearable devices that are unobtrusive, fit into daily life and existing habits, and look stylish. But even if all these boxes are ticked, do they really want to wear technology on their wrists, faces and around their necks?

With half a billion wearable devices shipping in the next few years and going straight onto wrists, shoes, glasses and lapels, soon interacting with smart cities will seem as 'normal' as checking Facebook.

Over 30% of people are interested in buying a smartwatch, but their unwieldy design and poor functionality have put many off. Motorola’s offering hopes to appeal to the masses with a conventional aesthetic and integration of Google Now. Could it finally normalise the smartwatch?

John McLear's NFC ring has shipped 25,000 units after far exceeding its Kickstarter goal. Wearers can share contacts and pictures, and unlock cars and houses. Its near invisibility and usefulness helps it avoid the pitfalls of most wearable tech.