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.
假設導向的思考框架| BCG問題解決力-讀後心得 https://www.andyrockdata.com/2023/05/16/bcg-solve-problem/