The link has a ton of information.
Now, It is obvious that putting it completely offline is more safe. But, some people often use the TV’s to watch Netflix or something like that. Then they might forget that it is still connected to the internet when they are done watching.
Under Privacy Settings, there are options for Device Usage Data, Collect App and Over-the-Air Usage, and Interest-Based Ads. All are enabled by default, but you can disable them.



Oh yea? Tell that over the phone to the old granny that lives alone to do that. People like that have no idea how to. Not everybody is that tech savvy.
Step 1) Host your own DNS resolver(s).
Step 2) Open port :53
Step 3) Visit granny and login to her router
Step 4) ???
Step 5) Granny Profit
Visit a random granny 1000 miles away for a $100 job lol, sure. Much easier to explain how to reduce data being sent back.