The Back-of-the-Envelope Drawing that Launched a $495 Million Business a#8211; With John Ferber
The Ferber brothers built the largest ad network based on an at-the-time new concept of cost-per-click advertising. When they sold the company to AOL/Time Warner in 2004, Advertising.com reached 90 percent of people on the Internet, an average of 20 times per day.
