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推出2012年度回顧, 幫你整理今年 20 個重大時刻 https://qooah.com/2012/12/16/facebook-year-in-review-2012/