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The thing is, computers are not getting faster anymore.

The only thing that is changing is parallel processing. So amazon is still selling a single CPU, and that single CPUs speed has hardly changed in years.

You should get more memory and disk space though.

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Performance/watt is still increasing, though. This helps Amazon's margins.

But watts/dollar is quickly decreasing. I wonder if performance per dollar spent on energy is increasing or decreasing. I wouldn't be surprised if it's decreasing.

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