It became known that a well-known brand Apple has patented a so-called smart ring. It is assumed that it will be put on the index, and be operated with your thumb. It will be touch screen and built-in microphone to dictate commands using Siri.
According to the patent application, the smart ring will also be equipped with tactile feedback (e.g., vibration) to alert the owner about notifications and GPS. It also can be used to control external devices: mouse computer mouse, camera, TV remote control or climate control.
Moreover, the smart ring can even determine that a person writes with a pen on the movements of his hands.