On every June 9th, Facebook likes to request its users to turn Facebook Upside Down! Why June 9th?
Flip 6/9 upside down & you get … 6/9! Similarly, turn 9/6 around 180° and you get 9/6 again. That’s why !
If you want to see how Facebook looks upside down – its simple!
Log in to your Facebook account, scroll down to the language setting on the bottom-left side and click on it.
From the Select Your Language box which opens, select English (Upside Down). Click Close.
Parts of your Facebook page will now appear upside down!
Whats the use ? You tell me! 
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