How to know who Unfriends you on facebook

Friendz, today im telling u a very important trick.
Sometimes, your fb friends unfriend u but u dont know who unfriend u.
Here is the solution guyz.

Steps To Do:-
1. 1st of all visit this site.
2. Skip add.
3. Now u r in the site.
4. Tick Here To use this servise you have to accept the Terms of Use 
5. Now it will access your facebook account.
6. Log in to u ur account.
7. press allow.
Now the site will show ur friendz and peoples who unfriends u.