Damn this is cool. JS library for transmitting data from on…
Damn this is cool. JS library for transmitting data from one computer to another using sound. And you can use ultrasonic sound spectrum too. Scanless QR codes anyone?
https://quiet.github.io/quiet-js/
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Awesome. Reminds me of an app from 2011 (disclosure - I have stock in it... £10 worth) called Chirp.