Facebook is in the unique position today to face both the problems of centralization and decentralization. On its centralized core platform it is confronted with making content decisions, while on WhatsApp it struggles with slowing down the spread of rumors and calls for violence. Just to be clear, I have no sympathy for Facebook which has been arrogant about these issues and has put growth above anything else. Nonetheless everyone who is building new decentralized platforms would do well to ...