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 App 更新:數據用量減少,圖片載入速度大提升! https://qooah.com/2015/01/30/facebook-app-improved-loading-speed/