Emma Hao, an agent for luxury-home broker Douglas Elliman has done it. Well...that's not quite true. Hao brokered the sale through WeChat, China's most popular instant messaging app. She does this ...

Tencent’s WeChat is the main chat app in mainland China, with 1.1. billion monthly users. WhatsApp remains the world’s most popular instant messaging app, despite the recent privacy policy ...

Other popular messengers are China’s QQ (about 900 million ... were also named among the world’s most popular instant messaging applications.