Most Don't know Comcast Sells/Shares your user data & more.
Other may but don't know you have way to Opt Out because Very Small print and where most don't see.
At the Very Bottom of many pages under "My Account" and many more you'll find a link:
Do Not Sell My Personal Information = https://www.xfinity.com/privacy/manage-preference
click link and login if needed
Click "Choose Your Preferences"
Click "Opt Out of Everything"
You likely have to do this under every user names not just the main/root user has billing and other "powers."
------------------Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)The Ogre's Fiero Cave
[This message has been edited by theogre (edited 02-21-2021).]