An argument can be made that when it was first called Silicon Valley it should have been called Metal Oxide Valley. Originally, SV lived off defense, then made

An argument can be made that when it was first called Silicon Valley it should have been called Metal Oxide Valley. Originally, SV lived off defense, then made disk drives and now Google, Apple, Facebook, Oracle, ... reign supreme. I think SV will continue to shape shift. It is however, getting kinda expensive.