Apparently about 10 million customers. or roughly 40% of population. More concerningly, the cause has not been identified yet, after 7 hours. Was identified a

Apparently about 10 million customers. or roughly 40% of population. More concerningly, the cause has not been identified yet, after 7 hours. Was identified as down at 3am? ( Maybe some maintenance / upgrade gone wrong? My company used to do such critical upgrades / changes at 2am on Tuesdays ... )