DMVs do it all the time: https://www.vice.com/en_us/article/evjekz/the-california-dmv-is-making-dollar50m-a-year-selling-drivers-personal-information
December 10, 2019 at 03:01PM
via reddit https://www.reddit.com/r/cybersecurity/comments/e2tkl6/how_did_geico_know_my_birthday_it_certainly_wasnt/faetw0n?utm_source=ifttt