I thought I'd already posted this, but now I can't find it. Reproduced to avoid bit-rot.
The tech-support problem dates back to long before the industrial revolution, when primitive tribesmen beat out a rhythm on drums to communicate: Groog: Hullo. This fire help desk. Me Groog. Lorto: Me Lorto. Lorto: Help. Fire not work. Groog: You have flint and rock? Lorto: Ugh. Groog: You hit together? Lorto: Ugh. Groog: What happen? Lorto: Fire not work. Groog: (sigh) Make spark? Lorto: Unh. Lorto: Flint, rock, no spark, no fire, me confused. Fire work yesterday. Groog: (sigh) You change rock? Lorto: Me change nothing. Groog: You change flint? Lorto: Me change nothing. Groog: You sure? Lorto: Me make one change. Rock hot so me soak in stream so rock not burn Lorto hand. Small change, shouldn't keep Lorto from make fire. Groog: (Grabs club and goes to Lorto's cave) *WHAM*WHAM*WHAM*WHAM*