Although 3-D, as [Jeffrey] Katzenberg would be the first to point out, was cruder in Hitchcock’s day, the reason for its existence was no different. Then as now, the movie industry needed to find a way to lure audiences out of their homes and back into theaters, wooing them away from their newfangled TV sets with a plethora of new formats, including 3-D, Cinerama, and 70mm.
A.V. Club’s Sam Adams
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