John Chow examines the hidden world of Domainers, those that make their living through owning loads of domains and the income that they bring in:

Yun Ye is a “domainer.� He is, in fact, the world’s most successful domainer, a pioneer in a highly lucrative industry based on buying, selling and developing domain names. Ye holds over 100,000 domain names that was making him more than $20 million a year in revenues - $19 million in profits. Ye sold his domain empire in November 2004 to publicly traded Seattle-based Marchex for, get this, $164 million. Since then, Ye has never been heard from again.