User experience measured by usefulness
The line pairs two words that are often treated as rivals. A good experience, on this view, is simply the fastest route to something useful.
The utmost thing is the user experience, to have the most useful experience.
Marissa Mayer joined Google in 1999 as one of its first engineers and spent the next decade in charge of much of what users saw, from the search page to Gmail and, by 2011, maps and local services. The sentence is awkward, the kind of thing said aloud in an interview, but its two halves explain a lot about the products she oversaw.
The first half puts the experience at the top. Google’s home page was famously bare: a logo, a box and two buttons, at a time when rival portals crowded their front pages with news, weather and advertising. The second half says what the experience is for. It is not decoration or delight for its own sake. It is getting the person to a useful result as quickly as possible. Speed, in this view, is part of the experience, and so is the absence of anything that slows a user down.
That definition gives a product team a practical test. For any proposed change, ask whether it gets people to what they came for faster or more reliably. A new feature that adds a step fails the test even if it looks good. A plain page that loads in a tenth of a second passes it.
The weakness shows when usefulness is measured too narrowly. Google became known for testing small design choices against user data, and in 2009 a departing designer, Douglas Bowman, complained publicly that the company had tested forty-one shades of blue to decide the color of a link. Data can say which option gets more clicks. It is poor at judging coherence or the long-run feel of a product, and a design decided entirely by small tests can end up useful in each part and confusing as a whole.
Usefulness also depends on who is asking. What is useful to a first-time visitor, a clear path and few choices, can frustrate an expert who wants shortcuts and control. Treating one measure as the utmost thing risks serving the average user and failing both ends of the range. The line is best read as a priority, not a formula: usefulness first, judged with numbers where numbers work and with taste where they do not.