Kotte points to a list of 400 richest people in America who blog:

- Pierre Omidyar, $10.4 billion

- George Soros, $7.2 billion

- Mark Cuban, $1.3 billion

A little bit surprising that Bill Gates, Paul Allen, Steve Jobs, Sergey Brin, Larry Page, David Filo, Jerry Yang, and Oprah aren't on the list.

Checkout Homes of the Richest.