どうやら海外で同じ時刻にネットワーク落ちた会社があるようで
そっちによると原因はソフトウェア障害だそうな
Outage Update: One of our 3rd party suppliers has identified a software issue in their system. Our technical teams are working extremely hard to resolve this. We'd encourage you to use Wi-Fi wherever you can and we are really sorry.