K.C. Budd - aka "phreakmonkey" - is a guy who loves to play around with gadgets. So when he came into possession of a Livermore Data Systems "Model A" he decided to put it to good use.
So what's a Livermore Data Systems "Model A"? It's a way old-fashioned modem that was first made in 1964!
Here's the video that phreakmonkey made of himself using Wikipedia with a laptop and a 45-year old modem...