Netflix Inc. is a broadcasting platform headquartered in Los Gatos, California, USA. Founded in 1997, it was once an online DVD and Blu-ray rental provider that allowed subscribers to rent and return Netflix's extensive inventory of physical discs of films via free delivery envelopes.

Netflix has been named the most satisfied website. Movies and TV shows can be viewed on PC, TV and iPad, iPhone, and TV can be connected via Wii, Xbox 360, PS3 and other devices. The recommendation engine is a key service of Netflix, where more than 10 million customers are able to rate movies on a personalized web page from 1-5. Netflix puts these ratings in a huge dataset of more than 3 billion items. Netflix uses recommendation algorithms and software to identify the possible ratings of movies by viewers with similar tastes. For two years, Netflix has been using the contestant approach to improve the efficiency of its film recommendations, which has been well received by many film critics and users.