NEW YORK (MONEY Magazine) - First it was just another way to search the Web. Then it became a verb. Now Google is set to become the hottest initial public offering in years.

This summer, people from Wall Street to Silicon Valley will be scribbling on the backs of envelopes trying to figure out how much this six-year-old company is really worth.

What a great opportunity, we decided, to pull back the curtain and show you how investing pros actually go about valuing a stock.

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