Hard to believe there are 124 comments here and nobody has brought up Grace Hopper's talk[0][1] yet. With good humour she gives a example of what various device

Hard to believe there are 124 comments here and nobody has brought up Grace Hopper's talk[0][1] yet. With good humour she gives a example of what various devices' latency are, and a simple tool to comprehend the cost and orders of magnitude. [0] short - https://www.youtube.com/watch?v=JEpsKnWZrJ8 [1] long - https://www.youtube.com/watch?v=ZR0ujwlvbkQ