Messaging Apps.

[jumbomochi]

Read a simple analysis here:

http://poachedmag.com/2013/05/27/do-we-need-another-whatsapp/

And WeChat is certainly leagues better than WhatsApp, especially given its integration with other Tencent apps (like QQ, QQ Music etc.).

Should start buying Tencent stocks, but then again, I'm not entirely sure that all that music streaming / download is legal.