The most interesting products I've fallen in love with this year don't really have an interface. You don't need to open another app, go through another onboarding, or find another dashboard. You simply reach it the way you'd reach a friend, through a text thread or a phone call, and on the other side sits an agent that is connected to all the tools you use every day, such as your email, your calendar, your messages, your accounts. Then you can simply tell it what you need and it goes off and does it for you. Replies drafted, trips arranged, subscriptions cancelled, appointments moved. The apps it operates are all still there, humming underneath, but you just never see them anymore. They disappeared. Watching this happen has clarified something I've been thinking about for a while. We are witnessing a new step being inserted in front of every interface we've ever designed. In the last years, using software meant going to the software, opening the app, learning its layout, and navigating its particular logic. Now you increasingly interact with one interface that is connected to all the other interfaces, and the moment that layer works well enough, the interfaces behind it begin to fade from view. They don't fade because they got worse, but because nobody is looking at them anymore. That is what an invisible interface actually means to me, and it has nothing to do with minimalism or fewer buttons. It means that the interface of the product you built, the thing your team obsessed over and tested and polished for years, basically becomes a back-end, and its primary user is no longer a person but an agent acting on a person's behalf. I would encourage every designer to sit with that thought for a moment, because it is genuinely destabilizing. The craft I grew up in assumed a human on the other side of the glass, and every decision we made about hierarchy, contrast, motion, or copy existed to help that person see, understand, and act. When the entity clicking through your product is an agent, most of that craft becomes invisible to the one doing the clicking, and your beautiful checkout flow gets traversed in two hundred milliseconds by something that has no appreciation for your easing curves. This doesn't mean design is no longer relevant, but it does mean it is migrating to another level. The interface layer of an individual service is turning into something closer to a protocol, which needs to be legible, structured, operable, and honest about its state. Designing for machines is still design, just in a different form. The human-facing craft, the part of our work that earns love and loyalty, moves up a level to wherever the person actually is, and increasingly the person is sitting in one conversation that touches everything. Full essay here: open.substack.com/pub/design… LFG