Well, then it is just the standard: 1) Most VC's and tech companies are in the "suburbs" 2) Office + home rent much cheaper 3) A lot of potential employees (

Well, then it is just the standard: 1) Most VC's and tech companies are in the "suburbs" 2) Office + home rent much cheaper 3) A lot of potential employees (and easily most of those with kids) live in the valley.