User Stories

Title	Description
Profile Picture	As a WhatsApp user, I want to see my own profile picture in the main screen, so that I avoid 2 clicks to get to it.
Contacts vs acquaintances	As a WhatsApp user, I want to add some contacts into a special list with restricted privileges to my personal information.
Individual vs group chats	As a user of WhatsApp, I want to have the option to split my individual chats from group chats, so that I can have my chats more organized.
Messages to unknown number	As a WhatsApp user, I want to write to some unknown number, so that I don't have to add it to my contacts first.
Favorite contacts	As a WhatsApp user, I want to have quick access to some contacts, so that I don't have to search them among all my conversations.