Although watching TV shows from the 1970s suggests otherwise, the era wasn’t completely devoid of all things resembling modern communication systems. Sure, the 50Kbps modems that the ARPANET ran on ...

Ethernet is ubiquitous, fast, and simple. You only need two diffpairs (four wires) to establish a 100Mbit link, the hardware is everywhere, you can do Ethernet over long distances easily, and tons of ...