The wife of one of the missing passengers from flight MH370 has told Channel 7 News in Australia that she is "shattered" by news that the plane may not be in the area search teams had been looking at.
Danica Weeks, whose husband Paul was on board the Malaysia Airlines plane, said the latest development felt like a "slap in the face".
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The outage struck Hartfield-Jackson Atlanta International Airport at around 1pm local time, stopping all outgoing flights.
It will be a chilly day for many parts with the highest temperatures, about 10 Celsius (50F) in the far northwest.
The social site has been overhauling many of its policies in recent weeks following repeated criticism over how it handles abusive content.