Masks, cash and apps: How Hong Kong’s protesters find ways to outwit the surveillance state 

HONG KONG — The moment the 25-year-old protester got home from demonstrations that turned violent — tear gas still stinging her eyes — she knew what she had to do: delete all of her Chinese phone apps. WeChat was gone. So was Alipay and the shopping app Taobao.

https://www.washingtonpost.com/world/asia_pacific/masks-cash-and-apps-how-hong-kongs-protesters-find-ways-to-outwit-the-surveillance-state/2019/06/15/8229169c-8ea0-11e9-b6f4-033356502dce_story.html