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 World wide web, maybe somehow they just controlled your whatsapp via PC? 各画面の説明を参考にしながら、項目を選択していくだけで簡単に設定することができます。 There is also a threading tool, named Protothreads. Protothreads are described as https://intern.ee.aeust.edu.tw/home.php?do=profile&from=space&mod=space&uid=1314518