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.
iPhone 的最大耗電元凶已找出,別再怪什麼晶片門了! https://qooah.com/2015/10/16/facebook-is-draining-battery-life/