In addition, Facebook has reached the mindshare of the masses in a way that no other internet company has. No other internet company has EVER had my parents and aunts and uncles talking for hours about an internet company though the holidays. It brought talking about the internet in public to the masses.
Facebook will have a 12 figure valuation by this time next year, and Google will lose its current level of dominance in the online ads sector. I'll put my money where my mouth is if someone want's to propose a safe way to go about doing it...