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.
자바스크립트: 파일을 특정 영역으로 드래그 앤 드롭하기 (라이브러리 없이) http://yoonbumtae.com/?p=3225