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. See the full story The Internet of Things (IoT) is a network of physical objects, devices, vehicles, buildings, and other items that are embedded with sensors, software, and network connectivity. IoT can enable a wide range of applications, such as smart homes, smart cities, and industrial automation. Popular IoT platforms include Arduino, Raspberry Pi, and Particle.