Annoyed by shrill, insistent ring-tones? Exasperated by incessant blether on the train? Calm yourself. Remember the main advantage of mobile phones …
… you can now be sure that, while you were out, Batman has not had to smash through your window to make an urgent call.
Batman “How Many Ways Can a Robin Die?” by Frank Robbins (writer), Irv Novick and Dick Dillin (pencillers) and Dick Giordano (inker), Batman issue 246, December 1972, reprinted in Batman: The Greatest Stories Ever Told Volume 2, DC Comics, 2007