"I think that there's etiquette for every means of communication. People are very judgmental and have strict rules. I don't think you should end a relationship with a Post-it note. I know some people who get offended when an e-mail is sent as a "thank you" note instead of a hand-written card."

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When I worked with General Electric, again this was soon after the Second World War, you know, I was keeping up with new developments and they showed me a milling machine and this thing worked by punch cards - that's where computers were at that time, and everybody was sort of sheepish about how well this thing worked because in those days machinists were treated as though they were great musicians because they were virtuosos on these machines.

— Kurt Vonnegut