That's not how ad targeting works. Your data is used in aggregate to target ads to your purported demographic, and that designation is usually obtained on-the-f

That's not how ad targeting works. Your data is used in aggregate to target ads to your purported demographic, and that designation is usually obtained on-the-fly via your recent page visits. Storing your individual interests isn't worth the money it costs. That said, this has nothing to do with ads. It's a matter of foreign intelligence.