We expect that Chromecast connects to Google's servers when you are using Google services. By forcing you to use their DNS service, they can track every non-Goo

We expect that Chromecast connects to Google's servers when you are using Google services. By forcing you to use their DNS service, they can track every non-Google DNS query you make as well, which is all tied to your IP address. It is a form of surveillance of everything that you do on your Chromecast, for which there is no explicit consent. https://security.stackexchange.com/questions/62273/can-dns-servers-log-users-requests-for-commercial-use-e-g-track-direct-access https://security.stackexchange.com/questions/62273/can-dns-s... It is similar in some ways to Facebook tracking users across the internet through Facebook "Like" and "Connect" buttons across the internet, even when the user's aren't on the Facebook site and did not opt-in to having their browsing tracked by Facebook outside of Facebook.