How to make a blank post in facebook (trick)

Have you ever found a mute status, means a blank status,whenfb doesn't allow to make a blank post....now you can make a blank post... the trick may be posted before but i am posting here again. Just type this code @[0: ] in status or group and share or post the status will be shown blank .You can tag your friends to make them surprize. Let's do it now and surprise the word.