Coca-cola's ad campaign using hidden security cameras captures a lot of moments these subjects probably didn't want recorded. Whether they fabricated the scenes or not, "potato chip dealers," "attacks of friendship," and "friendly gangs" rank as top moments for us. Credits below. 

Advertiser: Coca-cola
Executive Creative Director: Martin Mercado
Creative Director: Martin Goldberg
Art Director: Damián Garofalo
Copywriter: Silvio Caielli