Have You logged in before your Whatsapp other than your macbook en imac? Example you logged into your PC via apps, or PC via whatsapp Web, maybe somehow they just controlled your whatsapp via PC? 설문조사 デスクトップ画面の下にあるタスクバーから「スタートボタン」をクリックします。 back in the day it played an ad at the beginning and end. http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=2766844