How the super rich are preparing for the end of the world

The Dow has hit 20,000 for the first time ever, but rather than celebrating, some of the richest of the rich are building bunkers to prepare for a potential apocalypse.
These "preppers" are making other investments too. They're buying houses in New Zealand, which has become a popular spot in case of calamity. Billionaire Peter Thiel just secured property and citizenship there .
And they're getting elective surgery. Steve Huffman, the 33-year-old co-founder and CEO of the online community Reddit, got Lasik so that he'd be able to be more independent in case of emergency.

"If the world ends — and not even if the world ends, but if we have trouble — getting contacts or glasses is going to be a huge pain in the ass," the San Francisco resident tells Evan Osnos as part of The New Yorker's chronicle of the elite's end-of-the-world preparations.
"Without them, I'm f---ed."
