Have you ever had the experience of browsing for an item online, only to then see ads for it everywhere? Or watching a TV program, and suddenly your phone shows you an ad related to the topic? Marketers clearly know a lot about us, but the extent of what they know, how they know it, and what they’re legally allowed to know can feel awfully murky.
Americans don't understand what companies can do with their personal data—and that's a problem
