There was a complicated internal service (details intentionally vague here) that people often had problems with. Someone began a thread like this: "I don't know much about [broad category of this problem], but I think we could use [new technology Y] to solve it. For example, it would [x y z] and I could [example scenario] and [etc] ..."
This prompted the response:
> I don't know much about [broad category of this problem], but
wait wait wait; stop right there.
The response often passes through my mind when I read people trying to talk about technology, as exemplified by these cringe-worthy digg comments on mogilefs. And we all thought slashdot was bad!