To me, Amy Heckerling is the real reason Clueless remains a piece of pop culture iconography. That might not be too terribly original, especially when said on the eve of the teen comedy's 25th birthday. Since Clueless' release on July 19, 1995, the movie has maintained a top spot in the zeitgeist, a consistent and reliable wellspring for quotes, music, fashion, and discussion. It is hard to imagine what Clueless would be today if it had been written or directed by anyone other than Heckerling. I'm not sure if I want to even imagine what that alternate timeline …