Check out the business model of Line, the WhatsApp competitor dominant in Japan. It's almost exactly what you said. http://www.oneskyapp.com/blog/secret-moneti

Check out the business model of Line, the WhatsApp competitor dominant in Japan. It's almost exactly what you said. http://www.oneskyapp.com/blog/secret-monetizing-messaging-apps-localizing-emoji/ http://www.oneskyapp.com/blog/secret-monetizing-messaging-ap...