Merrick here...
Vulture has an interesting look at the FX process that helped Armie Hammer play both of the Winklevoss twins (Tyler and Cameron) in David Fincher's SOCIAL NETWORK.
I've come across a number of people recently who still didn't know Hammer played both roles in the picture (extremely well, I might add) - a testament to how masterfully this illusion was conceived and executed.
Vulture says their reel is "considerably extended from a featurette on the movie's recent home video release" - check this out when you have a moment. It's fun and impressive.
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