Jon Ronson, a contributor to This American Life, The Guardian and GQ, is the author of six books, including The Men Who Stare at Goats. His latest is Lost at Sea: The Jon Ronson Mysteries.

"The older you get, you realize that no uncomfortable fact makes your story worse. Contradictions are great. What's bad, what to me is the worst journalistic sin, is ridiculous polemicism. ... To me, the contradictions, the story not turning out the way you want—you have to be a twig in the tidal wave of the story."

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Malcolm Gladwell is a staff writer at The New Yorker. His latest book is David and Goliath: Underdogs, Misfits, and the Art of Battling Giants.

"The categories are in motion. You turn into a Goliath, then you topple because of your bigness. You fall to the bottom again. And Davids, after a while, are no longer Davids. Facebook is no longer an underdog—it's now everything it once despised. I am everything I once despised. When I was 25, I used to write these incredibly snotty, hostile articles attacking big-name, nonfiction journalists. Now I read them and I'm like, 'Oh my God, they're doing a me on me!'"

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