, Bas wrote

@elmer: That article is weird. It points out how the line "first actual case of computer bug" doesn't make sense if the term wasn't already in common use, and then goes on to point out how the term was already in common use.

I think the thrust of it is that the use of 'bug' by Grace Hopper was tongue-in-cheek - having discovered an actual bug in the computer - she understood the meaning of the word, and was having a laugh.