Almost an entire day later, iCloud Mail still down for 0.1% users

If you have been having issues with iCloud Mail for a while now, it seems that you may not be alone. According to Apple's iCloud status site, iCloud Mail has been down for a little over 17 hours now for "0.1%" of users. iCloud Mail "may be unable to receive mail" on any device connected to an affected iCloud account, such as an iPhone, iPad, or even the web...