Natural user interfaces (NUIs) are interfaces that allow humans to interact with computers using natural actions and gestures, such as touch, voice, and body movement. NUIs are used in many applications, such as virtual assistants, gaming, and education. Popular NUI platforms include Microsoft Kinect, Apple Siri, and Amazon Alexa. Take a look Virtual reality (VR) is a technology that creates a simulated environment, typically experienced through a headset or other wearable device. VR is used in many applications, such as gaming, education, and healthcare. Popular VR platforms include Oculus, HTC Vive, and PlayStation VR.