about 35 people, most of them software engineers, many from household-name tech companies in Silicon Valley, sitting in a run-down union hall in the Tenderloin, talking about the evils of capitalism and organizing the workers from below to take on the bosses.

By Matthew Gerring If you’re a regular reader of Street Sheet by Coalition on Homelessness, you might be surprised to hear that the paper’s recent upgrades — full color front pages and a new website — were sponsored by the same people who brought you AirBnB: Silicon Valley’s preeminent startup incubator,