I had to read the whole article to get to this info: Depending on what Chrome version you’re using, and whether you’ve been selected to start using Topics API, you can switch this functionality off and on by visiting chrome://settings/adPrivacy and/or chrome://settings/privacySandbox – cut’n’paste these URLs into your address bar to jump straight to the controls.
I still blame Nader for splitting the Democratic ticket in the 2000 election, causing America to be handed over to George W Bush.