This document discusses various chat apps and their key features and demographics. It provides details on 14 major chat apps including WeChat, Line, KakaoTalk, Snapchat, WhatsApp, Facebook Messenger, Viber, Skype, Tango, Yik Yak, Telegram, Kik and their owned by company, most popular regions, audience size, revenue sources, brand presence opportunities, differentiators and messaging features.