Foursquare, Twitter, LinkedIn, Netflix, Box.com, Nest.com, CloudPhysics, Quora, Simple, Klout
More than 10: http://www.quora.com/Startups/What-startups-or-tech-companie...
More than 10: http://www.quora.com/Startups/What-startups-or-tech-companie...
Getting hired by any of these companies can be a good enough reason for some.