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AWS Cross-AZ Data Transfer Costs More Than AWS Says — Carrying on the AWS data charge thread.. hats off to Corey for running a real experiment in intra-AWS data transfer where he discovered you get charged for both sending and receiving.

How ConvertKit Could Lower Its $64K Monthly AWS Bill — Last week, we featured a company’s $64K AWS bill and now AWS billing guru Corey Quinn is here with his analysis.

Are Microsoft's License Changes 'Bad for the Cloud Industry'? — Last week we mentioned how Microsoft’s new licensing terms will impact users using on-prem services on ‘dedicated hosted cloud services’ (e.g. AWS). Cloud economist Corey Quinn thinks this is a bad move and represents ‘old Microsoft’ rearing its head.

CapitalOne's Data Breach: What They Got Wrong (and Right) — CapitalOne recently suffered a huge data breach at the hands of a former AWS employee which involved a variety of S3 buckets being scanned and downloaded. Here’s some further technical explanation.

Why I Turned Down an AWS Job Offer — “I once turned down a job offer from AWS, who told me my reasoning was preposterous. Last week they did exactly what I was afraid of.”

Right Sizing Your Instances Is Nonsense — Many cost optimization companies will talk about right-sizing instances or VMs as if it were trivial. AWS cost optimization guru Corey Quinn disagrees.