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.

Linden Lab
5. Linden Lab
Founded: 1999
First Address: 333 Linden St., San Francisco, CA
Second Life was born on narrow Linden Alley in San Francisco's quaint Hayes Valley neighborhood. Founder Philip Rosedale worked in the warehouse with a single engineer. Three years later he moved to a larger office on, naturally, Second Street. Company headquarters are now in San Francisco's financial district, while the original space on Linden is occupied by a Moroccan furniture store.






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