In June 2009, Carmack sold id to ZeniMax Media, but he still spends a lot of time at the office.

FORBES: John Carmack On Rage And Age

Expats who move here have to wade through a lot of bureaucracy and red tape (such as transaction fees and obtaining tax ID numbers), but the welcoming nature of the residents and the possibilities to be had in this exuberant city are well worth it.

BBC: Living in: Buenos Aires

Still, accountants and ID-fraud experts warn that tax-fraud theft will get a lot worse before the IRS gets control of it.

WSJ: Don't Let Tax Cheaters Target You