What movie would so have a different ending if cellphones were around during tha!
Question: Titanic
Answers: Titanic
Butch Cassidy and the Sundance Kid. They could have called someone and found out the whole damn Bolivian Army was waiting to shoot them down!
Atonement
Ben Hur
Back to the Future
Wargames
and so on...
Robinson Crusoe
and Cast Away...