NOTES
Notes for product teams.
What new rules ask of your screens, and how to plan and buy the work. Written by our team, from the projects we run, in plain words.
LATESTMobile apps · 26 Oct 2026 · 9 min readiPhone Duo: what to change in your app, and in what orderApple's first foldable is on sale, and apps built with older SDKs don't fill its inner display. This note covers how people will use iPhone Duo, what product, design, research, marketing and engineering teams should check, and the order we'd work in.Read the note 
Accessibility · 15 Oct 2026 · 6 min readIs your hotel site EAA-ready? A checklist for the booking pathWhat a hotel team should check, in the order a guest meets the pages: the date picker, room pages, the booking step, the booking engine, phones and the accessibility statement. With a test you can run in an afternoon.Read the note 
Kiosk & HMI · 15 Oct 2026 · 6 min readKiosk and HMI design: a checklist for screens in the fieldA kiosk is software with a body: a card reader, glare on the glass, a queue behind the user. Ten checks we use on every kiosk and HMI, from the place and the hardware to bad connections, accessibility, lock-down and field testing.Read the note 
Search & AI · 15 Oct 2026 · 6 min readShowing up in AI answers: a GEO checklist for product teamsNobody can promise an assistant will cite you. You can make your site easy to read, trust and quote: the crawlers, the HTML, who you are, pages that answer, evidence, languages, indexing, llms.txt, mentions and measurement.Read the note 
Hospitality · 7 Oct 2026 · 6 min readAI in a hotel, without a new PMS: where to startThe data a hotel needs is already in its PMS, channel manager, reviews and stock records. The order we'd start in: one question, the data out, tools that read before tools that act, one module with money in it, and people approving.Read the note 
Loyalty · 7 Oct 2026 · 6 min readLoyalty program or gamification? What works in charging and mobility appsThey answer different questions. Three questions to choose between them, examples from Zes, Super73 and Octopus, the mechanics that backfire, and how to measure it honestly.Read the note 
EV charging · 7 Oct 2026 · 6 min readDesigning a charging-station screen: eight lessons from the fieldWhat we learned designing and field-testing the screens on Zes's high-power stations: status that reads from the car, every way to pay, one decision per step, the bad moments, and accessibility that holds up outdoors.Read the note 
AI · 7 Oct 2026 · 6 min readAI Act Article 50: a checklist for the AI in your productSince 2 August 2026, people must be told when they're talking to an AI, and generated content must be marked (by 2 December 2026 for systems already on the market). What that means for chatbots, assistants, agents and generated media, screen by screen.Read the note 
Accessibility · 1 Oct 2026 · 7 min readThe EAA, one year on: a working checklist for product teamsWhat to change, and in what order, to meet the European Accessibility Act: the design system, the content, the journeys, kiosks and the accessibility statement.Read the note 
EV charging · 1 Oct 2026 · 6 min readNew charging rules, on the screen: what AFIR and EPDK change in apps and kiosksThe EU's AFIR and Türkiye's 2026 EPDK amendments change how drivers pay. Here is what they change on the kiosk and in the app: card payment, the price before the plug, receipts and roaming.Read the note 
UX audits · 1 Oct 2026 · 5 min readBefore you buy a UX audit: eight questions to askA UX audit can be an afternoon with a checklist or a month of research with real users. Eight questions that show what you would actually be buying.Read the note Looking for our research, with data and methods? Research in blurple lab →