Facebook on Wednesday filed to go public and raise $5 billion in what could be the largest-ever Internet IPO. Facebook was forced to file to go public because it ran up against the limits of the 500-shareholder rule.Private companies with more than $10 million in assets are required to file detailed financials with the Securities and Exchange Commission once they exceed 500 stockholders.

Basically, you or I could own a piece of Facebook real soon, and Mark Zuckerberg could, realistically, be worth 24 Billion dollars by the time he's 30. Wow, let me go post that on my wall.