From time to time, you might see that the variety of your friends has gone down. When that occurs, it is possible that someone unfriended you; however, Facebook never sends notices about unfriending.
How Can You Tell Who Unfriended You On Facebook
Unfriending
When another user unfriends you, you not appear on her friend list. If she has chosen to hide her profile material from non-friends, you might be not able to see parts of her profile that you formerly had access to.
Even if you can still see her profile Wall, you will no longer be allowed to post anything to it when you are no longer her friend on the site. The reverse is likewise real-- someone who unfriends you may not post new content to your Wall.
Notices
Alerts are a method for Facebook to interact with a user when there is brand-new activity related to her account. While you are informed of just about every new action a pal takes concerning your account-- such as sending you a message or publishing on your Wall-- unfriending is among the few exceptions.
You will not receive a notification, either on your Facebook Wall or via e-mail, when somebody unfriends you.
Reciprocity
When among your Facebook good friends unfriends you, she disappears from your pal list just as you vanish from hers. Since of this reciprocity, you can browse your friend list for friends that you think might have unfriended you.
If somebody not appears on your pal list however you see that her profile still exists, she has unfriended you.
Considerations
Even if somebody disappears from your buddy list does not indicate she has actually unfriended you. It is possible that the user has deactivated her account, or that it was disabled by Facebook for some reason.
If you were unfriended and want to reconnect with the user, you can still send her a personal message or request her relationship again using the proper buttons on her profile page.
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