Do you know how to get info from Application?
Control-Click on Application will be the fastest one that come into mind.
This is an easy task but this will become difficult enough to annoy you if all the Application icon are not in your Desktop, i.e. there are all attach to your Dock. Then you couldn't make it to the Info menu without looking for the original icon and don't forget that all Application that leave the Dock will end up disappearing.
In this case, QuickSilver will come into rescue.
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