Here's a trivia question:
What is the first 3D movie ever?
Answer:
The Power of Love, September 27, 1922, Ambassador Hotel Theater, Los Angeles
However, after the preview of the film to the exhibitors and press in New York City, the film was lost for unknown reasons.
That is why some consider
Movies of the Future shown at Rivoli Theater in New York City on December 1922, the first 3D movie ever.
The problem with watching 3D movies
Just recently, famous movie reviewer
Roger Ebert gave a remark that the only problem with the 3D movie
Despicable Me is that he watched in 3D.