Getting Android media apps to ignore certain folders

Just learned this handy tip that I have yet to test out. On Android, you can prevent the media scanner from indexing a directory by placing a file entitled .nomedia in it.

http://android.stackexchange.com/questions/138470/how-to-make-my-car-realize-my-phones-system-sounds-arent-music

http://androidforums.com/threads/whats-a-nomedia-file.307529/