[Conscat]

My sister, who is a pretty technical kinesiology PhD student, does not know how to input Alt+F4 and insists that is esoteric knowledge. There's a litmus test for how out of touch HN users may be with the way normal people use computers.

[falcor84]

Exactly, and of course there's a relevant xkcd (Average Familiarity) https://xkcd.com/2501/