If you should use DuckDuckGo as your search engine when browsing the web, here is an article discussing what it's been up to recently: https://gizmodo.com/duckduckgo-made-a-giant-list-of-jerks-tracking-you-onli-1842129900
I'm not paranoid about web trackers, but would just as soon not have them following/recording me while I'm on the internet. Using the browser "Brave" -- which I'm on now -- and the search engine DuckDuckGo, I'm reasonably protected from web trackers.
Jim Hamm