Where the Web 2.0 stars were born

Every year thousands visit the garages where Hewlett-Packard and Apple were hatched. But the hottest tech companies out there weren't all started in a car lot.

2. Facebook
Founded: 2004
First Address: 95 Dunster St., Cambridge, MA
Co-founder Mark Zuckerberg started the company at Harvard's Kirkland House dorm, in the suite he shared with roommates Dustin Moskovitz (now VP for product engineering) and Chris Hughes (once a company spokesman). Facebook's success is already legendary, although Zuckerberg now faces a federal lawsuit alleging that he stole the idea from a rival social-networking site.






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