Recently featured in Mashable's '90's Tech Icons,' Sabeer Bhatia co-founded Hotmail in 1996, which was soon after sold to Microsoft for $400 million. Hotmail really paved the way for free e-mail. Had it not been for Bhatia and his partner at the time Jack Smith, e-mail may not have been...

<A HREF="http://blog.sfgate.com/valleygirl/2012/03/22/sabeer-bhatias-nanocity-does-every-entrepreneur-build-a-city-after-they-sell-their-first-company/?tsp=1">Read More</A>