With Facebook's $5 billion IPO filing yesterday, today's news reports are filled with envy-inducing reports of how wealthy the social network has made a lucky few, including the already wealthy Donald Graham, chairman of the Washington Post Company. He's not alone: there's that graffiti artist this New York Times report led with who was foresighted enough to be ask to be paid in Facebook stock for painting the site's first headquarters. He gets $200 million. ...