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“If you want a great site, you’ve got to test. After you’ve worked on a site for even a few weeks, you can’t see it freshly anymore. You know too much. The only way to find out if it really works is to test it.”
― Steve Krug, Don't Make Me Think: A Common Sense Approach to Web Usability

“The problem is there are no simple “rightâ€� answers for most Web design questions (at least not for the important ones). What works is good, integrated design that fills a need—carefully thought out, well executed, and tested.”
― Steve Krug, Don't Make Me Think: A Common Sense Approach to Web Usability

“The simplest answer is that the user had access to reality—every company builds a bubble around itself, where the products get built and tested in a more controlled environment than they get used in. This is especially true of complex software. What the early users enabled Xiaomi to see was how MIUI actually worked when real (albeit unusually technically proficient) people tried to install it on a wide variety of devices.”
― Clay Shirky, Little Rice: Smartphones, Xiaomi, and The Chinese Dream