In this issue:
"Inside 23andMe Founder Anne Wojcicki’s $99 DNA Revolution": The genetic-testing company can tell you how to live smarter, better, and longer. It can also tell you what might kill you.
"Against the Tide": The Dutch are sharing – and selling – what they've learned from centuries of catastrophic floods.
"Inside Twitter’s Vision for a TV-Powered, Profitable Future": Twitter’s mission to woo stars, networks, and advertisers – and transform the company into an IPO-worthy role model for every startup.
"Let A Billion Streams Bloom": Spotify is luring millions of listeners, irritating artists – and quite possibly saving the beleaguered music business.