Who Rules the Web Now?
Harvard Business Review
FEBRUARY 22, 2011
Wired reported late last year, "The top 10 Web sites accounted for 31% of US page views in 2001, 40% in 2006, and 75% in 2010." As each of these companies expands its fixed-cost infrastructure, profits grow geometrically because the additional variable cost of adding each new user is near zero. These are tech companies.
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