Hello guys today I told u that how much facebook is useful .First of all, you make friends in facebook and you share your memories with your friends and u also watch that what is going on the world you also chat with your freinds you make your personal Group and aad only your personal friends . You upload your status what I going with u anywhere and anytime .Now most of the people are using this app so u know those app which are used maximum are unsecured .This app is also unsecured anyone even which has less knowledge about facebook also hack your account.But Overall this app is very good.