OS X, press the spacer-bar and see the file, via quick-look

http://www.quicklookplugins.com/ shows some of the possibilities of a feature in OS X called “quick look”. Which enables the user to see the file; text, image, audio or video. This feature also shows how some systems will interpenetrate files in the future and allows us to control a file format by it’s literal existence on our future flash-memory-based file system.