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.
蘋果啟用自家 CDN 為 iOS 8 升級分流 以提升下載速度! https://qooah.com/2014/09/20/apple-cdn-in-ios-8/