“The first thing I typed was an L,” he told NPR. Stanford computer scientist Bill Duvall said over the phone that he’d received it. He typed the O. It also went through. Then came the G. “And then he had a bug and it crashed.”

An uncountable number of letters have been sent from one person to another. They have been sent through the Internet in the years since 1969. They were sent on many different platforms.