Martin Kirkholt Melhus’s workplace bans connecting his development computer to the internet, so he hacked together a modem using HTML5: by plugging over-the-ear headphones into his laptop’s 3.5mm audio jack and then placing the headphones over a network-connected built-in mic, he is able to tunnel a network connection outside the firewall (or that’s the theory; as he notes, “This was only ever intended as a gimmick and a proof of concept – not something that I would actually use at work.”) (more…)

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A working modem using HTML5 sound