Adtech and to a large extent Google are untrustworthy by definition. Read above about the Mastercard-Google deal, here is a non-paywall source https://www.warc.

Adtech and to a large extent Google are untrustworthy by definition. Read above about the Mastercard-Google deal, here is a non-paywall source https://www.warc.com/newsandopinion/news/google-and-mastercards-deal-to-track-sales/en-gb/40976 https://www.warc.com/newsandopinion/news/google-and-masterca... That's only the tip of the iceberg.