‘Critical infrastructure’ has come to the foreground in the Covid-19 pandemic. Can the invisibilized work of people who are providing so-called essential services (inside this very infrastructure) become more visible in the course of this? If so, could this be an unexpected opportunity for labor struggles? In her “Silent Works” video talk San Francisco-based urban researcher Katja Schwaller explores these questions by focusing in particular on those areas of society where Big Tech is taking over. A tour to the dark side of Silicon Valley.