WhatsApp utilizes a "keep and forward" mechanism for exchanging messages in between two buyers. Whenever a user sends a information, it is saved on the WhatsApp server, which tries to ahead it to your addressee, and regularly requests acknowledgement of receipt. On twelve Might 2017, WikiLeaks printed aspect 9, "AfterMidnight" https://share.evernote.com/note/a8fd1cb2-5733-5366-f5df-7a36578ae666