During the Cannes Film Festival this year, what most people may not know is that virtual reality films are available for viewing - in which attendees must don headsets for a fully immersive experience. Director Steven Spielberg weighed in on the new trend, stating, "[It's] a dangerous medium. The only reason I say it is dangerous is because it gives the viewer a lot of latitude not to take direction from the storytellers but make their own choices of where to look."