datahoarder
Who are we?
We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.
We are one. We are legion. And we're trying really hard not to forget.
-- 5-4-3-2-1-bang from this thread
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They do more than just tie hard drives together with a string. They build custom server hardware, maintain data center infrastructure including cooling and networking, pay their employees (the biggest cost), and all the overhead of running a business.
20% increase in one go is rather normal. Business tend to do one big price increase instead of constant small ones because our brains don't see them billing efficiently relative to their costs, they see only a bunch of tiny price increases.