VIDEO: Hidden Camera Proves Laughter is Contagious VIDEO: Hidden Camera Proves Laughter is Contagious
Culture

VIDEO: Hidden Camera Proves Laughter is Contagious

by Pete(r) Karinen

June 7, 2013

Laugh, and the world laughs with you. Even if they're total strangers who happen to be standing on the same tram platform as you...

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VIDEO: Hidden Camera Proves Laughter is Contagious