The verdict is in: running analytics in the petabyte order is cheaper and faster in the cloud than on prem. Or, is it? This article seems to be a combo hit-job

The verdict is in: running analytics in the petabyte order is cheaper and faster in the cloud than on prem. Or, is it? This article seems to be a combo hit-job/promotional material, but it's a nice way to introduce a conversation on real life comparison total cost of ownership of hardware vs. cloud. What's the experience of the HN crowd?