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5 UX design principles that improve service usability and support business growth

Have you ever travelled to a foreign country and discovered after landing that none of the signs are in a language you understand? There are no clear indications of where to go. You are tired from the flight, looking for a train or bus stop, but even buying a ticket feels more complicated than planning the holiday itself. Good UX (user experience) is the opposite: simple, smooth, and accessible to everyone. In this article, we outline five UX principles.

Digitizing public services in Kenya: How human-centred design creates value in African contexts

The year 2024 brought a special project for Trinidad Wiseman: in cooperation with ESTDEV, we completed the analysis and design of three public e-services in Kenya. For the first time in Kenya, both service-providing institutions and end-users were involved in the process, marking the beginning of a new way of thinking about public e-service design in the country. This project is an excellent example of how, even in a short time and within a foreign cultural context, it is possible to achieve results that positively affect the lives of millions by applying service design principles.

12 mistakes to avoid when conducting website usability testing

If you are already aware of the mistakes to avoid when preparing a website usability test, it would be a good time to know how to perform all the tests successfully and to identify a sufficient number of usability problems and their causes on the existing website. In this article, we talk about potential mistakes to be aware of, not the fundamental rules of how a test should be conducted.

When to pick a UX designer and when to pick a UI designer for your project?

Various myths surround UX and UI design and oftentimes, it can be difficult to understand which designer is needed for a specific project when placing an order for a design job. To bring clarity to the topic, we spoke with Hegle Sarapuu-Johanson, Chief Innovation Officer and Partner at Trinidad Wiseman. With over 20 years of experience in user experience, service design, and information technology, she is one of the pioneers of UX in Estonia and has deep expertise across the entire digital project life cycle – from user research to supporting development.

Zone Webmail service underwent a thorough overhaul under the guidance of Trinidad Wiseman

Estonia's largest web hosting provider, Zone, wanted to update its webmail service in terms of technical platform, design and user-friendliness. Today, the project has become a long-term partnership, which has just reached the next milestone – we launched Zone Webmail 3.0, an updated version of webmail, which further increases the functionality and user-friendliness of the service.