This is a call to arms about how to bring the big online platforms to their knees. It concerns the question of interoperability: the way that Facebook, Twitter etc make it very difficult for you to move and own your data. Doctorow shows that this is nota problem of technology but of law, business and apathy in face of growing monopolies. He covers ground such as anti-trust, and how the platforms deal with take down orders. Through this he shows how the fangs became too powerful - and show us what we cando about it!