Virtual reality films comes to Cannes, Spielberg sounds warning

By Matt Gooderick CANNES, France (Reuters) - Virtual reality movie-making is taking flight at this year's Cannes Film Festival alongside traditional film offerings. A pavilion is dedicated to the immersive technology, with virtual reality film screenings and discussions as part of the festival's tandem Marche du Film sessions. Among those showing virtual reality films -- all short productions for which viewers must don a headset -- is "Madagascar" co-director Eric Darnell, whose six-minute "Inva