How many of you know the true meaning of "Google Hack"?

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Well, I enrolled for an Ethical Hacking course a few days back and I was amazed to know how badly I have been misinterpreting the meaning of the term "hacking".It is not a negative or criminal term. It just refers to someone having immense knowledge about something, be it computers or otherwise. On the same lines, Google Hacking is a list of syntaxes, using which you can really optimize your search on google and save up on a lot of time. If anybody is really interested, do a search of "google hacking" on wikipedia and you'll know what I'm talking about. I can't post the link here as it might be reported. Please share what was your impression of this term.