Who's blocked you in FaceBook?

Today i was looking at my friend list and saw some friends gone missing.When i saw some people with unknown profile picture: 

 

 

 

This raised 2 ideas:

1-The user have deleted me
2-The user shut down the account or FaceBook banned it! 

 If you're looking for a FaceBook plugin or application to show who deleted you,you're on the wrong side.

 Just look at your Friend List,it will tell you everything!

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