Do you mean SF or SV? Silicon Valley traditionally ended at Palo Alto in the North. It was only recently, ie. last 10 years, where tech companies moved out from

Do you mean SF or SV? Silicon Valley traditionally ended at Palo Alto in the North. It was only recently, ie. last 10 years, where tech companies moved out from Palo Alto. Only a few scant companies were outside of prime Silicon Valley until then.