As well as capturing enduring gender anxieties, the Theranos story is also a reflection of the technological zeitgeist. Gibney believes Holmes was so successful because of Silicon Valley’s “fetishisation of the entrepreneur”. Holmes’s entire persona, after all, seems to have been an exercise in myth-making. She dropped out of college, like Mark Zuckerberg. She borrowed Steve Jobs’s trademark black turtleneck and bizarre eating habits. She faked a deep baritone to make herself more authoritative. If you were to come up with a piece of performance art reflecting our expectations of “tech geniuses”, you could not have done a better job than Holmes. What an incredibly scary thought.