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code {background-color:#eee;font-size: 80%;} .gist table.lines { font-size: 12px; line-height: 10px; } .gist-meta { font-size: 80% !important; } .gist .blob-num { line-height: 10px !important;} .gist .blob-code { line-height: 10px !important;} The Alto was a revolutionary computer designed at Xerox PARC in 1973. It introduced the GUI, high-resolution bitmapped displays, the optical mouse and laser printers to the world. But one of its most important contributions was Ethernet, the local a...