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A wearable device is a technology that is worn on the human body. This type of device has become a more common part of the tech world as companies have started to evolve more types of devices that are small enough to wear and that include powerful sensor technologies that can collect and deliver information about their surroundings.
Wearable devices are also known as wearable gadgets, wearable technology or simply wearables.
A wearable device is often used for tracking a user's vital signs or pieces of data related to health and fitness, location or even his/her biofeedback indicating emotions. Wearable device models may rely on short-range wireless systems such as Bluetooth or local Wi-Fi setups.
Examples of wearable devices include various types of computerized wristwatches such as the Apple iWatch, fitness tracking devices and the revolutionary Google Glass, the first device of its kind to be embedded in a pair of glasses. Some issues around wearable devices include privacy, the extent to which they change social interactions, how users look when wearing them and various issues with user-friendly design.