i have one task to devlope the social networking app for i phone that is not like facebook but its kind .. i m confused & dont know from where to start..i googled it alott bt not getting the things which i need to start my app..but while googling i read that we need to add liblary Three20..is it so..? people i need your help to kick start my project..your help is appericiated...thanx in advance..