Google advertising privacy FAQ
Google’s privacy principles
Turn off Google search history
Clear YouTube search history
Set ad preferences
Move data in and out of Google through their Data Liberation site
To search incognito in the Chrome browser
A comprehensive list of Google privacy tools
Videos about privacy
Overall privacy FAQ
It makes for interesting reading although it is a lot of information.
How likely is the general public to ever “darken the door” of any of these links? Not very likely. At least they are there and we can choose to learn as much as Google is offering publicly or we can complain.
It’s your choice.