The best places on the Internet for fans of the J.J. Abrams series

By Adam B. Vary
Updated December 04, 2009 at 05:00 AM EST

Lost has pioneered using the Net to enhance its mythology. Here are other highlights.

2009 mysteries of the universe on
Deliciously paranoid and retro mini-docs about the Dharma Initiative: ”Be vigilant! Be aware!”

Launched at Comic-Con ’09, it dropped clues for flash-mob events promoting specially designed Lost posters.

In the month before Lost‘s season 4 premiere, this elaborate online game tracked an ex-Oceanic Air employee’s ”discovery” of Flight 815.

Lost‘s first big Web adventure explored Dharma, the Hanso Foundation, and (perhaps) the meaning behind the numbers.