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.
Apple 發佈新一代 OS X 系統,名稱為:El Capitan ! https://qooah.com/2015/06/09/apple-announces-os-x-el-capitan/