There's a bunch of "hidden features of X" on stackoverflow (http://stackoverflow.com/search?q=%22hidden%20features%22&tab=votes http://stackoverflow.com/search?

There's a bunch of "hidden features of X" on stackoverflow (http://stackoverflow.com/search?q=%22hidden%20features%22&tab=votes http://stackoverflow.com/search?q=%22hidden%20features%22&#3...) if you liked this one