hangouts即時通訊:
105down409:
https://hangouts.google.com/hangouts/_/smail.ilc.edu.tw/105down409
105down502:
https://hangouts.google.com/hangouts/_/smail.ilc.edu.tw/105down502
105down504:
https://hangouts.google.com/hangouts/_/smail.ilc.edu.tw/105down504
105down601:
https://hangouts.google.com/hangouts/_/smail.ilc.edu.tw/105down601
105down605:
https://hangouts.google.com/hangouts/_/smail.ilc.edu.tw/105down605
105down610:
https://hangouts.google.com/hangouts/_/smail.ilc.edu.tw/105down610