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221
220 DPI is certainly higher than 130, but it’s not the kind of eyegasm-inducing difference I experienced when I moved from an iPhone 3G to an iPhone 4 (the difference there was 163 DPI vs 326 DPI).
It happens more than we like to admit: We get cool new hardware, and eventually we’re carried away and think most web users are close to our level. We start designing for bigger and bigger resolutions, because it’s hard to imagine that some people are still on 1024×768. We code to better CPUs, because it’s hard to imagine how crappy computers many of our target users have. We don’t care about bandwidth and battery, because they aren’t a concern for most of us. Some of us will realize before launching, during a very painful testing session, some others will only realize after the complaints start pouring in. It’s the same reason a website always looks and works better in the browser its developers use, even though almost always it gets tested in many others.
We like to think we’re better than that, that we always test, that we never get carried away, but in most cases we are lying to ourselves. So, even though I recognize that I probably have much better hardware than most web users, I consciously try to avoid huge resolutions as I know I’ll get carried away. I try to keep myself as close to the average user as I can tolerate. Using IE9 on a 1024×768 resolution would be over that threshold, but not using a Retina display is easily tolerable.
Hope this makes sense. Hopefully, it might help others trying to decide between the two. I sure am very happy so far with my new Air 🙂�
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