washingtonpost.com: Microsoft Millionaires Grapple With Wealth: "How much money are we talking here?
All told, about $30 billion in options on software company stock, nearly all of it from Microsoft, were exercised in greater Seattle from 1995 to 2002, said Roberta Pauer, an economist for the Washington State Employment Security Department.
If $30 billion were distributed evenly to the 3.3 million people in the Puget Sound area, it would come to nearly $10,000 each. Nearly all of it, though, went to the people employed full time by Microsoft in the late 1990s."
Came across this via Slate's excellent daily paper summary