I did not downvote you, but I've lived in the US for 11 years, went to different parts of California several times, including a long trip to San Fransisco; to t

I did not downvote you, but I've lived in the US for 11 years, went to different parts of California several times, including a long trip to San Fransisco; to this day I cannot tell you the difference between San Fransisco, Silicon Valley, Mountain View, etc... To me they are really all the same place.