It’s in the walls of your office, laid by the miles in data centers, and an integral part of any data network. Read up on the history of the humble Ethernet cable.
Ars Technica shares a detailed history of the ubiquitous cable. Their history starts with the massive and expensive hulking LANs of the 1970s and moves us to the present where cheap gigabit Ethernet networks blast HD content and massive files around homes. Hit up the link below for the full article and more Ethernet trivia than you can shake a hub at.