article thumbnail

Who Rules the Web Now?

Harvard Business Review

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." Amazon is now a primary source of traffic for thousands of third-party retailers. They're out to kill the cost-per-thousand or CPM-based ad sales model. Its retail vertical for shoes wasn't working.

CPA 15