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.
WhatsApp 的訊息撤回時限延長,由 7 分大增至 68 分鐘! https://qooah.com/2018/03/06/whatsapp-message-recall-extend/