. >>> nassim taleb spotted the financial crisis of 2008 before anybody else did.e is the author of "the black swan," it was a groundbreaking look at highly improbable events with massive repercussions. his new book is called "antifragile -- things that gain from disorder." it is nice to have you back with us. pleasure to see you. >> thanks. very honored. >> tell me what antifragile is. what does it mean? >> all right. when you ask people what's the opposite of fragile, they're going to tell you solid, robust, resilient, adaptable, all that stuff. it's not true. antifragile is something that gains from disorder, not something that's safe. something that requires disorder, requires volatility, requires vulnerability, requires some kind of stress -- up to a point, of course. >> can you give us an example of what sort of things are fraent fragile. >> i started my life as an option trader. for a long time i thought of nothing except in terms of he's short volatility, long volatility. if you had an option portfolio that's gabd frined from turmoil ibts's hurt by turmoil.