If not, when it queries to find out which ads to serve, what data does is sent with that query (or prior to that query)?
https://www.mozilla.org/en-US/advertising/
https://www.mozilla.org/en-US/foundation/annualreport/2024/a...
https://www.mozilla.org/en-US/advertising/principles/
If not, when it queries to find out which ads to serve, what data does is sent with that query (or prior to that query)?