] Although there is debate over the exact date it started,
] on November 02, 2000, a person calling themselves
] Timetravel_0, and later John Titor, started posting on a
] public forum that he was a time traveler from the year
] 2036.
]
] One of the first things he did was post pictures of his
] time machine and its operations manual. As the weeks went
] by, more and more people began questioning him about why
] he was here, the physics of time travel and his thoughts
] about our time. He also posted on other forums including
] the old Art Bell site. In his posts John Titor
] entertained, angered, frightened and even belittled those
] who engaged him in conversation.
]
] On March 24, 2001, John Titor told us he would be leaving
] our time and returning to 2036. After that, he was never
] heard from again. Speculation and investigation about who
] John Titor was and why he was online continues to this
] day.

An interesting read at the very least. A great use of sci fi to rephrase relevant social points.

John Titor :: Time traveler