While we want to focus on staying connected, knowing who is paying attention and who is not adds value to connection if we see friends interacting across and in Facebook in some of posts are just important. Using a Facebook friend tracker application such as FriendFilter allows you analyze your friends list for who your most engaged friends are and who has become inactive on your friends list. This is great tool for you to management insight into your friends and fellowship of can provide you real time feedback on your network.