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.
來看看 iOS 8 地圖中的「飛越城市旅遊」模式! https://qooah.com/2014/06/24/ios-8-flyover-city-tour/