Watching the news I found out that Internet Giant "Facebook" will be selling stock to the public. It is thought that Facebook will soon be worth upwards of 100 Billion Dollars. Go Facebook. Facebook, in one of the world's most widely anticipated IPOs, or initial public offerings of stock, filed papers this afternoon to raise at least $5 billion and begin to sell stock this spring. The filing was made online with the Securities and Exchange Commission in Washington.  If all goes as planned, it will likely take until May for Facebook stock to begin trading on a stock exchange.…