[z3c0]

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.

[tekknik]

Yet, my ads become more valuable when they have data that I’m interested in a specific subject. Absent if that data, the ads are worth less.