Geoffrey Colvin is the author of ''Humans Are Underrated: What High Achievers Know That Brilliant Machines Never Will'' (); ''Talent is Overrated: What Really Separates World-Class Performers from Everybody Else'' (); and ''The Upside of the Downturn: Management Strategies for Difficult Times''. He is co-author of ''Angel Customers and Demon Customers: Discover Which is Which and Turbocharge Your Stock'' (). He is a Senior Editor at Large for ''Fortune Magazine''.
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