portable as a mobile phone and as efficient as a computer, additionally with ergonomic controllers. Military use The wearable computer was introduced to the US Army in 1989 as a small computer that was meant to assist soldiers in battle. Since then, the concept has grown to include the Land Warrior program and proposal for future systems. The most extensive military program in the wearables arena is the US Army's Land Warrior system, which will eventually be merged into the Future Force Warrior system. There are also researches for increasing the reliability of terrestrial navigation. F-INSAS is an Indian military project, designed largely with wearable computing. See also Activity tracker Apple Watch Artificial neural membrane (Smartskin) Augmented reality Active tag Calculator watch Computer-mediated reality eHealth EyeTap E-textiles Extended reality FrogPad Futuristic clothing Glove One Google Glass Golden-i GPS watch Head-mounted display Head-up display Heart rate monitor Internet of Things Lifelog Open-source computing hardware Identity tag Mobile phone Mobile interaction Optical head-mounted display OQO Personal digital assistant Pocket computer Skully (helmet) Smartphone Smartglasses Smartwatch Staff locators Tablet PC Virtual retinal display Wireless ambulatory ECG References External links Peer-reviewed encyclopedia chapter on Wearable Computing by Steve Mann A brief history of wearable computing IEEE International Symposium on Wearable Computers (Academic Conference) Ambient intelligence Fashion accessories Human–computer interaction Internet of things Japanese inventions Laptops Mobile computers Personal digital assistants Smartwatches Ubiquitous computing Wearable devices