glossophilia.org

LkB0m TIL that according to DuPont, the name "Nylon" was originally called "No-Run," but was modified to "Nuron" to avoid making an unjustified claim. Later it was changed to "Nilon" to make it sound less like medicine, and then eventually "Nylon" so that people would pronounce it properly.
n89b TIL when illiterate people signed documents with an X, they would kiss the X before witnesses as a sign of sincerity. Hence an X at the end of an email = a kiss