Why Warren Buffett keeps away from Facebook, Google

Billionaire Warren Buffett says he avoids buying into businesses like Facebook because it's too hard to estimate what they might be worth.Buffett said on Monday that he doesn't really have an opinion on Facebook and Google because it's hard to determine their value and how they will fare in the future.Over the weekend, Buffett also told Berkshire Hathaway shareholders that initial public offerings are almost always bad investments. H...