LITTLE KNOWN FACTS ABOUT WHATSAPP官网.

提高工作效率：快速切换对话、将对话整理到文件夹中，以及置顶常聊对话。It is possible to edit any information up to quarter-hour just after sending, and it'll update for everyone during the chat. Edited messages will likely have the phrase "edited" beside the timestamp.All you need is your phone number, no consumer na