End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
Facebook Messenger 更新, 可查看訊息是否已讀及顯示對方正在輸入文字 https://qooah.com/2012/05/05/facebook-messenger-1-7/