You can get nostalgic about almost anything at the Cannes Film Festival, even Jerry Seinfeld on a zip line in a bumblebee costume.
For many years, Cannes has played host not just to an endless stream of artistically ambitious movies, but also to some of Hollywood's most extreme promotional gambits. With so many films packed into the 12-day festival, and with much of the world watching, there are high stakes to standing out in Cannes.
