Hi All, I want to create my application that will act like sms.. means if I send my app to one user , then he access my app and can forward it to other user. and so on. some functionalities will be there in App , user will access that and pass it..I have to search any user is available who is using this app thrugh MAP API and I have to maintain this record too, so I am just stuck how to start and what are the options to start with. which example should I refer of Apple App. please help.