As we all know that the most common app which is found on every smart phone is facebook. Facebook is a app which let us to make friends worldwide . This app is very helpful in making friends . It is very easy to make id on this app or get registered . But this app take much storage space and also for chatting the person has to use messenger . Also Facebook has launched it fb lite app by which person who doesnt prefer much space can use it because it is only of 3 or 4 mb and chatting option is also available. In this app we can also upload pictures , videos etc .As all the readers uses this app but I prefer who not using this to use it because it a very good app