Netflix was rolling it out in 2016 and wrote a blog on it: https://netflixtechblog.com/protecting-netflix-viewing-privacy-at-scale-39c675d88f45 https://netflixt

Netflix was rolling it out in 2016 and wrote a blog on it: https://netflixtechblog.com/protecting-netflix-viewing-privacy-at-scale-39c675d88f45 https://netflixtechblog.com/protecting-netflix-viewing-priva...