> Being tracked when logged off/on other sites is a bit different than shadow profiles. It all tastes like chicken. The tracking mechanisms are identical. You

> Being tracked when logged off/on other sites is a bit different than shadow profiles. It all tastes like chicken. The tracking mechanisms are identical. You are probably given some "Ad ID". And that Ad ID correlates with your facebook ID if you have a facebook account. Calling it a "shadow profile" sounds sinister. But its just commonplace tactics that any ad network is going to deploy. Facebook just happens to have more information on you than others.