Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: It's three years since audiences around the world swarmed into cinemas to see James Cameron's Avatar. It rapidly became the biggest grossing film of all time, in part because of its ground-breaking digital 3D technology.

Has 3D film-making had its day?