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Re:Why Russians Are Not Smiling (2011) by eli_gottlieb on Tuesday November 19, 2013 @03:20AM (#6759873)
>For example, if you're walking on street, do you eye-contact people going in the opposite direction and smile at them?

At least in the States, yes. It's how you show you're not about to go for their throat with a knife.

Re:Why Russians Are Not Smiling (2011) by DominikR on Tuesday November 19, 2013 @03:36AM (#6759920)
Very interesting, so it's a mechanism to differentiate between neutral/friendly and enemy.

How does this work on a crowded place?