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.
Java, Spring Boot 예제: 이미지를 클라이언트로부터 받아 파워포인트로 만들기 http://yoonbumtae.com/?p=810