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.
애드오피, '버스터' 인수.. "광고 수익 최적화 넘어 앱마케팅까지 확장" https://wowtale.net/2021/04/29/25353/