Hoping to get in on Facebook's hotly anticipated public stock offering? You'll need Facebook friends at very high levels - or a lot of money.
In this Feb. 8, 2012 photo shows two workers inside of Facebook headquarters in Menlo Park, Calif. Facebook stock is expected to begin trading publicly on May 18. Market pros and average investors alike are sizing up the company's strengths and weaknesses. The key question: Can Facebook parlay its vast legions of users into huge profits, as Google did following its 2004 initial public offering?