Using Telegram to coordinate protests.(Note: we are not massive fans of Telegram security for various reasons such as these and these but do understand that it solves a number of problems that alternatives like Signal do not. For example public group messaging.

https://www.scmp.com/news/hong-kong/article/3014255/facebook-and-twitter-telegram-whatsapp-and-signal-how-protest

Sophisticated coordination and communication of crowds using hand signals. (Update 04-Sept-2019: apparently this hadn’t been used widely though some of them where used during protests in July) (Update 01–Oct-2019: it seems the hand signals are now being used again at some protests.)

Using Apple Airdrop to quickly and anonymously pass information to others. (Here’s how)

Disabling Apple Face ID when arrested. (Here’s how)

Making it harder for authorities to monitor, respond and control protests by adopting the Bruce Lee tactic of “Be Water.” Moving quickly to new spaces faster than police can react.

A banner used by a Hong Kong protester. Photo credit Mary Hui.

Use of water, traffic cones and woks to reduce the effects of CS/Tear gas

Using umbrellas to block camera photos, CCTV and facial recognition

Using and swapping tickets bought with cash and changing clothing to make it harder to identify protesters

Dismantling a “smart lamppost” because of risks it was being used for surveillance technology

Using various non regular communication apps to spread information about protests. (Warning: this may be likely to be insecure)

Using symbols to warn protesters of the current status of an area

(update 04-Sept-2019 — apparently this isn’t a protester tactic, it’s commonly used by HK Police to warn)

Using laser lights to blind cameras and frustrate police