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.
http://www.srrsh.cuhk.edu.hk/zh/events/search?field_event_date_value%5Bvalue%5D%5Byear%5D=2019