If you are part of the rarified group of tech insiders who mostly live in the Bay Area, your perception of Mark Zuckerberg is different. You have likely done business with Facebook: your company’s been bought by it, or you’ve been crowded out of a promising market when Zuckerberg decided to launch there. You’ve driven past Zuckerberg’s San Francisco compound in the Mission, or given birth at Zuckerberg San Francisco General Hospital.