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.
Swift(스위프트): 뷰 컨트롤러와 내부의 컨테이너 뷰(Container View)간의 데이터 교환 http://yoonbumtae.com/?p=4786