Interpix Design

Your product has a hidden second interface. It's the one running in your users' heads.

Every user builds an internal map of how they think your product works. When that map is wrong, they make errors, lose trust, and blame the product.

Most products are tested against the model designers assumed users hold. Almost none are tested against what users actually believe. That gap is why products work logically on paper and feel baffling in practice.

It shows up in predictable ways. Errors users can't explain. Features nobody touches. Workarounds that make no sense to the team but perfect sense to the person using them.

A better UI layered over a misaligned mental model is still a product people struggle to use. That's why redesigns so often fail to move the needle even when the interface is objectively improved.

Mental model alignment is the most overlooked part of a UX audit. It's also the one with the highest leverage.

What does your product look like from inside your users' heads? Contact us today to learn how we can help you uncover this.

Mobile-first was the wrong lesson. Context-first is what actually matters.

Mobile-first gave us leaner interfaces and cleaner hierarchies. It was a necessary correction. But device size was always a poor proxy for real use.
The procurement manager on a 27-inch monitor at 4:55pm doesn't need a desktop experience. She needs one action, fast. The sales rep pulling up a product page on his phone at his desk needs depth and comparison, not a stripped-down layout.

Context-first asks different questions: What is the user trying to do? Are they under time pressure? Comparing options or executing a known task?

Four contexts most products underdesign for: completion (executing fast), comparison (holding multiple options in mind), interrupted (extracting one thing mid-meeting), and high-stakes (where a wrong action has real consequences).

Device is one variable. Not the organizing principle.

The error isn't designing for mobile. The error is stopping there.

Read the full breakdown at the link in our bio.

A bad call used to fail slowly: caught in review, beta, or a few hundred early users before it reached everyone. Now a 2-week build cycle ships the same flawed brief to your entire user base before anyone questions the premise.

The cost of a bad decision was always exponential. AI didn't change that curve, it just moved you further up it, faster.

The fix: slow down strategy, not ex*****on. Pressure-test the brief before you build. Validate at small scale before shipping at full speed.

The fastest way to fail at scale is to build the wrong thing brilliantly.

Want a second set of eyes on your next brief? Contact us today!

A developer with a good prompt can scaffold a half-decent UI in under 20 minutes. Copy, microcopy, components, first-pass code - generated, iterated, and shipped faster than a brief used to take to write. The output that defined junior talent three years ago is now table stakes.

This is not a threat to design. It is a clarification of what design was always supposed to be.

The questions AI cannot answer: What problem are we actually solving? Who is this for? Not the persona in the deck, but the real person with the real workaround they're currently using instead of your product? What should we build next, and why? These are not ex*****on questions. They are judgment calls. And they require context, constraint, and consequence that no model has access to until you surface it.

For design agencies, the value proposition shifts. Not "we make things". Any team can make things now. "We decide what to make, and why." Research that interrogates the brief before it's accepted. Systems thinking that sees how this decision compounds three releases from now. The ability to ask the question the client hasn't thought to ask yet.

Ex*****on was always the floor. Strategy was always the ceiling. AI just made the floor irrelevant, and in doing so, made the ceiling the only place worth building.

Learn how we can utilize this framework to help build out high performing web products for your company by contacting us today!