Netflix is a streaming service that provides access to a vast library of movies, TV shows, documentaries and more. It allows users to watch content on their computers or mobile devices, as well as through a smart TV or other compatible device connected to an internet connection. Netflix offers different subscription plans with varying levels of access to content and the ability to stream in high definition or ultra-high definition. The service is available worldwide and has become a popular way for people to watch entertainment programming on their own schedule, without having to adhere to traditional TV schedules.