Reminds of the days when your name, address, and phone number were automatically listed in the phone book. You had to pay the phone company to not list your information.
And, at least here, they contained last name and one letter of the first name. No information on gender/interests/articles read/ads clicked/locations visited/family/friends/devices used/apps installed/items bought/...
In an easily searchable database?
Sooo tempted to go Goodwin here and mention a nice use of computers from the late 1930s...