One trick of ad tech companies is they try to guess the maximum amount information about you and associate it with your identifier & they don't care how accurate it is. If other people visited webpages that you also visited then they can use that info to infer additional attributes.
One trick of ad tech companies is they try to guess the maximum amount information about you and associate it with your identifier & they don't care how accurate it is. If other people visited webpages that you also visited then they can use that info to infer additional attributes.