The chiasmus of speedup is slowdown.

A dictionary of Marshall McLuhan’s quotations

“The Argument: Causality in the Electric World”, in Technology and Culture, Vol.14, No. 1, January (1973),p 2, reprinted in McLuhan Unbound # 3, (2005), p 6

Quote #1044

Year: 1973

Chapter: Chiasmus, Flips, Reversals