Internet of things diversified usage of Internet of things. Governmental regulation is argued by some to be necessary to secure IoT devices and the wider Internet – as market incentives to secure IoT devices is insufficient. IoT systems are typically controlled by event-driven smart apps that take as input either sensed data, user inputs, or other external triggers (from the Internet) and command one or more actuators towards providing different forms of automation. Examples of sensors include smoke detectors, motion sensors, and contact sensors. Examples of actuators include smart locks, smart power outlets, and door controls. Popular control platforms on which third-party developers
Cats and the Internet internet than they were to post a selfie. Also, it was found that people who watch cat videos feel more energetic and positive after viewing online cat content. Maria Bustillos considers cat videos to be "the crystallisation of all that human beings love about cats", with their "natural beauty and majesty" being "just one tiny slip away from total humiliation", which Bustillos sees as a mirror of the human condition. When the creator of the World Wide Web, Tim Berners-Lee, was asked for an example of a popular use of the internet that he would never had predicted, he answered