Originally Posted By: wfaulk
"Killer app" has been in use since at least '89 (upper right paragraph). Merriam-Webster says "app" has been in use since '87, but doesn't provide a reference.

And I think a large number of non-geeks know that phrase. Perhaps not as many as know the word "app" these days, and Apple is indeed responsible for that, but what's the cut-off value of public recognition? And how would we measure that?
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Matt