The Internet's First Message Was 'LO'

The first message ever sent across the network that became the internet was not a grand declaration. It was two letters: "LO". Not a word anyone chose, not a slogan, just the first half of a login command that never finished because the system crashed. More than fifty years later, that accidental fragment is one of the best origin stories in computing, and it still has something to teach anyone building connected devices today. At around 10:30 in the evening on 29 October 1969, a student program