Why you got that ad, in plaintext

Right now, the reason you got an ad is actually sitting in plain text in a network request that you can read yourself. The browser doesn’t see every server‑side decision, but it shows enough to be informative and useful. I dive deep into personalization and data flows for a living, so I’m in these requests a lot. What I keep coming back to is how much of it you can read from the outside, with…