Unless you take active steps to prevent this on every device and in every app you use that accesses the Internet, there are people growing rich bu violating your privacy.

https://gizmodo.com/data-broker-brags-about-having-highly-detailed-personal-information-on-nearly-all-internet-users-2000575762 https://gizmodo.com/data-broker-brags-about-having-highly-detailed-personal-information-on-nearly-all-internet-users-2000575762