Jon Landau: At the heart of every film is

Co-producer of Oscar winning films such as Titanic and Avatar, Jon Landau describes the most important element in any film in this brief conversation at the 2010 IdeaFestival.

Hint: it's not the special effects.

As with all IF Conversations, his video may be found at IdeaFestivalTV, under the YouTube tab on our Facebook page, and if you're reading this via syndication as a reader of IFblog, on the IdeaFestival web site where the latest films are made available on the right side of the home page.