“In Lebanon, COVID-19 tests can be ordered on the app. In Argentina, a chatbot connects patients to doctors to report COVID symptoms. A Philippine diplomatic mission in the United Arab Emirates uses the app as a hotline for its citizens working in the country. In Brazil, citizens use an in-app directory of 1000s of retailers.” (Some) Americans might be able to live without Facebook for a few hours. But much of the world depends on WhatsApp.