[nabla9]

Back to low-tech solutions like paid mobs to control the situation.

People in HK use Chinese apps and Chinese intelligence probably has comprehensive mass surveillance system in place, but it could not predict recent events. Chinese and HK leaders were caught by surprise.

[my_username_is_]

People in HK typically don't use Chinese apps to communicate. WhatsApp and Telegram seem to be the most popular right now, and both use end-to-end encryption. Suggesting communication over WeChat to your average Hong Konger is laughable.