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.
Dropbox 3.0大革新: iOS 7風格,更佳iPad使用,極速分享等! https://qooah.com/2013/11/22/dropbox-3-update/