Xbox Live problems strike Xbox One users yet again [updated: and it's back]

[Windows Central]

Update: Well that was quick. Less than a half-hour after the problems hit, services appear to be restored, with Microsoft saying you should now be able to sign into Xbox Live. Happy gaming!
Original Story: The cycle of Xbox Live outages isn't over yet, folks. After going down and coming back up on Christmas day, it appears that Xbox Live is experiencing outages for Xbox One users once again.

Full story from the WindowsCentral blog...