Ad targeting networks also track data from people logged onto the same network or who have spent time in the same locations, so even if one person didn’t type in that search term, maybe someone else did. They can buy data from brokers who collect reams of detailed location tracking and other info from the apps on your phone, and both Google and Facebook pull in data from other companies to build out profiles based on your purchasing habits and other information.
Published: 2025-01-08T21:53:15