Many thanks to @FilmBah who tweeted the trailer link and to @THR for tweeting their link!
The 21 Years: Richard Libklater trailer is out. The documentary is an outgrowth of the tribute to Richard Linklater: A Slacker Turns 20 that took place in 2011 and was sponsored by Paste Magazine. Many contributed interviews including Keanu Reeves. the film will be released in theaters and on itunes on November 7, 2014. The piece is in THR has the trailer and it is also on youtube.