Look for the following cookies:
[username here]@atdmt.txt
[username here]@qksrv.txt
[username here]@doubleclick.txt
Those are spyware cookies by Avenue A Inc, Commision Junction Inc and DoubleClick.
Doubleclick monitors what websites you visit and your surfing habits.
Commision Junction makes a report of websites visited, purchases made and forms filled by anonymous users.
It is very interesting.