A jump into this decade now and the hugely successful Nike+ Fuelband. It tracked your steps, earning you Fuel Points throughout the day. It offered automatic syncing using Bluetooth and the second edition, which launched in 2013, improved the ambient light settings so it glowed brighter in darker situations.

2012: Nike+ Fuelband

The original Sony SmartWatch was a companion device for the Xperia smartphone range, running a modified version of Android. It had a 1.3-inch OLED display and was well received by the tech press despite its tendency to crash for no apparent reason. It was succeeded by the SmartWatch 2 in 2013 and the Android-Wear toting SmartWatch 3 was recently unveiled at IFA.

2012: Sony SmartWatch