http://www.theguardian.com/world/2014/sep/29/firechat-messaging-app-powering-hong-kong-protests
The Bluetooth range is really short, though newer versions have more power and longer range.
Presumably there's some way to get WiFi to do the same thing - in principle. Dunno if such a thing actually exists, though.
HTH.
Cheers,
Scott.
The Bluetooth range is really short, though newer versions have more power and longer range.
Presumably there's some way to get WiFi to do the same thing - in principle. Dunno if such a thing actually exists, though.
HTH.
Cheers,
Scott.