Erik Brynjolfsson is a professor at the MIT Sloan School of Management, Director of the MIT Center for Digital Business, Chairman of the Sloan Management Review, a research associate at the National Bureau of Economic Research, and co-author of Wired for Innovation: How IT Is Reshaping the Economy. He graduated from Harvard University and MIT. Andrew McAfee is a principal research scientist and associate director at the MIT Center for Digital Business at the Sloan School of Management. He is the author of Enterprise 2.0: New Collaborative Tools for Your Organization's Toughest Challenges. He graduated from MIT and Harvard University.