6. Apple Enters The Phone Market

With the creation of computers and iPods, Apple brought a technological revolution. But it was a high-risk decision to enter into the phone market. Apple had to build incredible mobile software from scratch. It had to negotiate deals with carriers, who are very particular about which phones can be sold. And then it had to actually sell the phones. Apple's decision however proved right considering the money it makes and that it is the most sold Smartphone in the world.

5. Chris Sacca Funded Photobucket With His Credit Card

Sacca, an ex-Google executive who worked there for three years left in 2006 to become an angel investor. A fast-growing photo sharing site, Photobucket was the first company he got interested in. The problem was that he didn't have any money. So he used his credit card to fund Photobucket.

Fortunately, Photobucket continued growing to be later acquired by MySpace for $250 million. The site now has a user base of 40 million.