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Nicholas Carlson is Business Insider's chief correspondent. His ground-breaking investigative reporting has re-written the histories of Facebook, Twitter, and Groupon. He is the author of The Truth About Marissa Mayer: An Unauthorized Biography and THE COST OF WINNING: Tim Armstrong, Patch, And The Struggle To Save AOL. "THE COST OF WINNING" the best long form business story of 2013. Carlson is a contributor to Bloomberg Television's biography series "Game Changers," and a frequent guest on CNBC. Previously, he reported for Gawker Media's Silicon Valley gossip blog, Valleywag. He got his start on the beat at InternetNews.com. Before that, there was a stint at Merrill Lynch. He went to Davidson.