At carnival in Bazil, you bump into people; Like, when they talk packed streets, they're talking body to body contact filling the street for blocks and blocks.

At carnival in Bazil, you bump into people; Like, when they talk packed streets, they're talking body to body contact filling the street for blocks and blocks. All you'd have to do is put a terminal around your waist and you'd get close enough to activate NFC for hundreds of people just pushing through the crowd. https://en.wikipedia.org/wiki/Brazilian_Carnival#/media/File:Bloco_da_camisinha_circuito_Campo_Grande_Salvador.jpg https://en.wikipedia.org/wiki/Brazilian_Carnival#/media/File...