How many punch cards it'd take to read a 3-minute mp3. Answer?
Ditto...I echo the author's sentiment "That such a huge leap in technology is well within living memory is astonishing." I mean, I remember upgrading our first family computer TRS-80 Color Computer from 4K to 32K with a home kit, which is crazy enough now that I can easily have an entire gig of RAM in my laptop, but punch cards weren't that long ago, either, really...