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 프로그래밍: 스토리보드에서 요소를 추가한 뒤 아웃렛 변수와 액션 함수로 연결하기 http://yoonbumtae.com/?p=2160