Also nice, but much newer, is a law that makes what you do with your own time, resources and ideas your own.
So to reify this, if I can't open "the same company in Seattle" simply because I'm shackled by a ludicrous non-complete them I'm damn well going to open it somewhere in California or give up altogether (well, I suppose moving out of the country might be an option).
And this goes for subsequent startups; this is a critical part the SF/SV ecosystem.
Question: does your startup's employee contracts include non-competes?