> Developers, by our nature, are very different from end-users. We're used to the idea that when you interact with a computer, it takes a little while for the computer to come back with an answer.

I don't agree. End users are used to shitty systems which take some time to load, but we developers should know better. We should be able to recognise performance bottlenecks during the architecture design and development, also we should be able to measure the layers where optimisation is necessary and useful. And when developing web app, caching should always be in mind as one tool to improve system performance in one way or another.

Otherwise fantastic piece of information.