A quiet experiment in Bluetooth, offline communication, and why we gave up too much when we handed our conversations to the cloud. The last time I was truly unreachable, I was in a place with no cell signal and no Wi-Fi. And I realized something strange: I had no way to send a message to the pe...
Source: [Dev.to](https://dev.to/6arshid/i-built-a-messenger-that-works-without-the-internet-and-it-changed-how-i-think-about-privacy-4aid)