The downloads of Bridgefy's Bluetooth-based messaging app, which uses a peer-to-peer mesh broadcasting network, have spiked amid protests in Hong Kong (John Koetsier/Forbes)

John Koetsier / Forbes:
The downloads of Bridgefy's Bluetooth-based messaging app, which uses a peer-to-peer mesh broadcasting network, have spiked amid protests in Hong Kong  —  John Koetsier is a journalist, analyst, author, and speaker.  —  How do you communicate when the government censors the internet?

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