[HeliumHydride]

"Listen, regardless of which Byzantine fault tolerance protocol you pick, Twitter will still have fewer than two nines of availability. As it turns out, Ted the Poorly Paid Datacenter Operator will not send 15 cryptographically signed messages before he accidentally spills coffee on the air conditioning unit."

[bigbuppo]

You can tell times have changed because nobody has tape backups these days, just a hope and a prayer that the copy of their data to a different cloud provider will still be good when The Great Oops takes out everything. Unfortunately, everything has a dependency on us-east-1, except that us-east-1 has a critical dependency on the dns servers of a small regional ISP probably somewhere in the southeast US.