intro: Oprah Winfrey is one of the most influential figures in media.
She placed second on Forbes' "World's Most Powerful Celebrities" list this year, and has estimated earnings of $165 million.
Aside from her wildly popular syndicated talk show, "The Oprah Winfrey Show," which ended last year, the mogul also has a 24-hour cable network, OWN, a popular book club and an award-winning magazine.
The so-called Oprah Effect has proved to be incredibly powerful several times over. Endorsements,...Full Story