Messenger for teaching and learning activities

Messenger is an American app and plat form developed by Facebook Inc. Originally it is developed as Facebook chat in 2008,in 2010 it's messaging service was revamped and subsequently released standalone IOS and Android apps in August 2011 and standlone Facebook Portal hardware for messenger based in Q4 2018 .In April 2020, Facebook officially released messenger for Desktop which is supported on windows 10 and macOS and distributed on Microsoft store and App store respectively.(source: Wikipedia) Messenger is an useful app because it is easy to use in low cost . There we can type many types of languages . Users can send messages, photos, videos,stickers, audio,files etc. Then receiver can react over them . Not only that users can video,and voice call then users also can unsent,remove those messages. Users can use it by mobile data WiFi. In April 2020 Facebook Bagan a new feature is "messenger Rooms"it is a video chat feature user should video chat with other user up to 5...