https://www.reuters.com/article/us-health-coronavirus-hongkong/hong-kong-sees-rush-for-burner-phones-as-government-pushes-contact-tracing-app-idUSKBN2AI0I8

Electronics shops in Hong Kong have seen a sharp increase in demand for cheap burner phones as the Chinese-ruled city's government eases coronavirus restrictions but pushes the use of a contact-tracing app which has raised privacy concerns.