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.
iOS 8 發現新圖檔規格,iPad 解析度將再拉高 ! https://qooah.com/2014/10/11/ios-8-1-beta-includes-3x-images-for-ipad/