All of us on the UI team think the value of Google is in not being cluttered, in offering a great user experience. I like to say that Google should be "what you want, when you want it." As opposed to "everything you could ever want, even when you don't."
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The utmost thing is the user experience, to have the most useful experience. It's important to differentiate between "usefulness" and "usability." At Google, we make a *useful* tool, and then we put a *usable* interface on top of that. One has to precede the other. If you have usability without a useful product, you don't really have much.

Mark Hurst,"Interview: Marissa Mayer, Product Manager, Google," GoodExperience.com, 15 Oct 2002 via Tomalak's Realm.

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