Audience members wear 3D glasses at FILMEX 1980, above, and don them again, 26 years later, at AFI FEST 2006, for a screening of THE RATSNITCH ANGEL, November 6, part of Shorts Program One. (Photo by Veronika Cernadas, American Film Institute.) AFI FEST 2006 presented by Audi celebrates 20 years and honors its precursor FILMEX: Los Angeles Film Exposition, founded in 1971, at its peak the largest public film event in the world. Celebration events include a 24 Hour Movie Marathon and Fundraiser starting November 11 at noon. Also, discover a 35-year database and timespine of every film and award at FILMEX and AFI FEST, plus view trailers, videos, ads and photographs from both festivals, at www.AFI.com/AFIFEST.