bduncan writes "RFC-821 and the sister RFC-822 are 30 years old this month. Remembering back to times when it was common to see teletypes for *fast* interoffice communication and a huge email (if you had access) might be anything over 5K." Link to Original Source
Programmers used to batch environments may find it hard to live without
giant listings; we would find it hard to use them.
-- D.M. Ritchie