Throw a rock in San Francisco and you’re likely to hit an aspiring or actual tech company founder with hopes of launching a breakthrough product. They rarely drink, scoff at work-life balance and are locked in a 24-7 competition to be, or appear to be, the most obsessed. Video: Eli Imadali Producer: @jacob.ohara Reporters: Katherine Bindley, Xavier Martinez and Rebecca Picciotto founder sanfrancisco tech worklifebalance work startup wsj