The internet, mobile, and social media shutdown in Myanmar left protesters vulnerable to rumours and at a disadvantage in organising opposition to the 2021 military coup. Coordination was done via phone, word of mouth, and the Bluetooth-based messaging app Bridgefy, which was downloaded more than 1 million times in Myanmar in the days after the coup. All plans include both online and offline contingency arrangements; a second disruptive possibility is intermittent interruptions and throttling…