It is widely speculated that the government keeps track of all good people, as well as the bad ones.
FACT: Mobile phones continually let the cell tower know where it is. Therefore you can be tracked.
FACT: As seen in the movie `Seven', some library's do keep track of recent borrowings.
FACT: Are you aware that by using certain downloadable software from the web, a homepage owner can find out which domain a person is coming from. As internet service providers keep logs of their customers, if people wanted to, and had enough power, they could find out EXACTLY who was looking. Consider this next time you look up the FBI's most wanted list, the CIA pages, or my homepage.
THEORY: It is widely speculated amongst mental patients that there are aliens in contact regularly with our planet. Rumour has it that these aliens are all incapable of using Windows 95. They also can't drive tractors very well.