BigmessagingappsabroadWhileWeChatisChina’sbiggestmobile...
问题详情：BigmessagingappsabroadWhileWeChatisChina’sbiggestmobilemessagingapp,therearemanyequivalentappsinothercountriesthatoffersimilarfeatures.WhatsApp(US)Users:morethan300millionPlatforms:Android,iO...