A new app called [UNK] has emerged as the messaging tool of choice for Hong Kong protesters . The ' off - the - grid ' app works by creating its own content outside the internet . The company registered 500,000 downloads in Hong Kong alone within two days . The app works by creating its own network outside the internet , relying simply on the Bluetooth or Wi-Fi link that exist between one phone and another . Other emerging services are exploiting the same ' mesh - network ' technology .
A new app called [UNK] has emerged as the messaging tool of choice for Hong Kong protesters . The ' off - the - grid ' app works by creating its own content outside the internet . The company registered 500,000 downloads in Hong Kong alone within two days . Other emerging services are exploiting the same ' mesh - network ' technology .