Movies have been around for more than a hundred years, and during that time we’ve seen some major changes. We have seen them go from silent to full of sound. We’ve seen them evolve from a dreary black and white, to a vibrant and magical world of color. And we have seen them last from about as long as it takes to shower to about as long as it takes for Aunt Betty to tell you about her trip to Bermuda. But how did it get this way?