<p>WHATSAPPAbout: WhatsApp is ubiquitous in places like the Netherlands, Spain, South Africa, Brazil and Mexico. It has robust group-messaging functionality and allows users to share video and audio clips. Facebook is paying $19 billion for it.</p><p>Users: 465 million monthly users; 330 million daily users.</p><p>Business plan: It generates revenue on a subscription model by charging 99 cents a year after an initial free year. It has eschewed advertising, and Facebook CEO Mark Zuckerberg said he doesn't think ads are the right way to monetize messaging. The stated intention is to focus on product development and user growth rather than opening up new revenue sources.custom_html&gt;</p><p>WECHATAbout: WeChat is making a global push. Users can play games and scan QR codes with the app; they can also shake their phones to chat with strangers.</p><p><a href="http://adage.com/article/digital/facebook-meet-11-hot-messaging-apps-eating-world/292276/">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.globaltimes.cn/content/850713.shtml">Valuing WeChat still an act of faith</a> (Global Times)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=d8DMiy12WivcFGMRoYOSJiLjetdLM&authuser=0&ned=us">3 additional articles.</a></p>