It seems like just last week that a new viral sensation was born: Die Antwoord. A couple totally mysterious, compelling YouTube videos appeared and Die Antwoord was, to quote the group’s MC Ninja from their “Zef Side” track, “all up in the Interweb, worldwide!” Three days ago, no less a tastemaker than Pitchfork founder Ryan Schreiber declared on his twitter that Die Antwoord “just made 2010 official.”