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正為iOS App測試相關影片功能,是要為賣廣告舖路嗎? https://qooah.com/2014/07/09/facebook-testing-related-video/