Sad news for Rupert Murdoch: With a fortune of just $7.9 billion, he's only Australia's second richest person. [News.com.au]

Bill Gates has been knocked off the top of Forbes' billionaires list after a 13-year run. In his place? Warren Buffett. (Mexican telecom mogul Carlos Slim Helú is No. 2.) For what it's worth, Mark Zuckerberg, who founded Facebook, the social network that Gates recently removed his profile from, is No. 785.