News Snapshot:
Shanghai has been under strict COVID-19 lockdown since April. HECTOR RETAMAL/AFP via Getty Images. China uses a traffic-light system on a Covid app to let people know if they can enter public venues. People who recently tried to attend a protest fear the app is being used to monitor and target them. The incidents have spurred both foreign and domestic critics alike to speak out about the app. For more stories visit Business Insider. As part of China's efforts to control Covid-19, provincial authorities have been using a contact-tracing "health code" app to monitor people's movements. The app works off...
