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.
https://healthydv2preview.zignup.com/articles/covid19/幾時打流感針-衞生防護中心疫苗資助計劃10-8展開