From the mayor: "We look at San Francisco as a cautionary tale," Oakland Mayor Libby Schaff told me. The kind of tech hub Oakland wants to be is one with a so

From the mayor: "We look at San Francisco as a cautionary tale," Oakland Mayor Libby Schaff told me. The kind of tech hub Oakland wants to be is one with a social conscience, she added. The mayor has touted the idea of "techquity."