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How were they able to get back online? Deploying to another AWS site or to another cloud provider? Presumably they didn't own enough servers themselves?

At what point did they make the call that the outage was too serious and they would lose all data since the last backup and start migrating? Had they pre-planned for it, or was it ad-hoc? Will they stay where they are now and use Amazon US East as their failover or migrate back in due course? Or rearchitect to handle this in future?

(thanks, re: name).

Is it just luck that the problem which happened was one they prepared for instead of one they didn't?