The only time it's acceptable to clap is if you're at a screening where cast and crew are present. That's because applause is intended to show support and appreciation.
Nobody claps after they play a good video game or read a good book. It's the same with movies.
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oh yeah. i am a dog. i smoke cigarettes and vote democratic because i am classy - the dog
http://i.imgur.com/x4Tma.jpg