Aleks Krotoski explores how Silicon Valley culture has led to a growth in the cult of personality. This kind of worship has been hot housed in Silicon Valley ever since Steve Jobs burst out of his garage and onto the scene. Here, we take a look at how Mark Zuckerberg, Elon Musk and others came to be regarded as the charismatic high priests in a new dark age. and ask what that says about us. But, with the trial of Elizabeth Holmes and the fall of WeWork, have the bubble burst? Producer: Caitlin Smith