How technology keeps movies, TV shows relevant

CNN: "Upon his release from prison in the new "Wall Street: Money Never Sleeps," corporate raider Gordon Gekko reclaims his belongings: A gold watch and a mobile phone the size of a 2-liter bottle of soda.

In case it wasn't clear until then, Michael Douglas' character had been behind bars for quite a while.

The scene gets a chuckle in theaters, and serves as visual shorthand for the passage of time. It also reinforces how technology, when used the right way in movies and TV, can set a scene, drive a storyline and, of course, make us laugh."

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