Did u recently find out that the number of friends in your Facebook profile has reduced? Do you want to know who unfriended you or who deactivated his/her Facebook account? Relax! Here is an easy way how to tell when a friend unfriended you on Facebook.
You simply need to link your Facebook account with the Web app, Twenty Feet and it records all the profiles which you have been friends with. The app regularly gets information and signals you whenever it finds out the absence of any profile from your friend list.
This indicates that either someone has unfriended you due to certain reasons or someone has completely deactivated or deleted his/her Facebook account.
Basically, this web app, Twenty Feet follows a freemium policy that means, you can use this app for tracking one Facebook as well as one Twitter account totally for free. But if you want to use it for business purposes, then it is available at an affordable price range to be paid on a yearly basis.