"8. Rupert Murdoch  Wendi Deng was just another twentysomething MBA (and thirty-eight years his junior) when she netted the Aussie billionaire master of the universe, whom she seems to enjoy belittling in public. According to New York magazine, she's said to have revealed that he uses Viagra (but doesn't need it) and once asked him in front of colleagues, ""Are you going deaf, old man?"" In January, Deng got her mighty mogul to play waiter at a women's-empowerment event in Davos, Switzerland, much to the amusement of Murdoch watchers the world over. Then again, waiting on Deng has helped Murdoch gain access to the multibillion-dollar Chinese-media market, so who's using whom?"