Pace Layers help us understand how different parts of a system change at different speeds. In interaction design, this idea is useful because it reminds designers to focus on what changes quickly and what stays the same for a long time. For example, the look and feel of a website, like colours or fonts, often change fast to match trends. These parts of the design belong to the “fashion” layer and need frequent updates to keep users interested and engaged.

On the other hand, some parts of interaction design change much more slowly. Things like core user needs, design principles, or the system’s architecture belong to layers like “culture” or “infrastructure.” These layers evolve over years or even decades and require careful thought to make them stable and reliable. Designers need to create work that fits these slower layers so that their designs don’t feel outdated or break over time.

By understanding Pace Layers, interaction designers can plan better for the lifecycle of their work. They can decide which parts need constant updates and which can remain steady for a long time. This helps balance creativity and stability, making the designs more effective and lasting while also staying adaptable to change when needed.