Nestled within the bosom of your Mac's system folder lie many powerful and curious applications. Not intended for direct access, the denizens of the CoreServices directory work as clients for other OS apps such as System Preferences or Safari. There are several CoreServices apps we use often at TUAW

Learn how to create your own OS X service that lets you copy & paste the paths of files and folders in Finder. After just a few steps you will be able to select items in Finder, press a quick keyboard shortcut, and paste the path(s) anywhere you want.