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If a laptop lasts 5 years then a month doesn't seem too bad. That's only 1/60th of your allowance. It shows the importance of continued software support for old hardware though. It's a hell of a lot better if a laptop can be used for 10 years rather than 5.

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In the future, you'll take out a 5-10 year energy mortgage that eats up 1-2% of your daily energy allotment just to get a single laptop.

There's a vision we can all get excited about.

But lots of people have multiple devices. Laptop, phone, maybe an ereader or tablet.

Well maybe they'll have to have less, or keep them longer. Or we'll have to get better at prioritising energy consumption in manufacturing, and creating products that can be used for longer. Seems to me that there's no reason an ereader shouldn't last for 20 years or longer for example.

I definitely agree. Just wanted to point out how the personal computer energy challenge might have a larger scope than just laptops.

I just picked laptop as a convenient example, and because it might remind people that they probably have a house full of similar gadgets (and with a similar level of embodied energy).

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