SDIs have gone a long way since the times of OGC Web Services (e.g.: WMS, WFS, etc). Today, they are supported by a breed of modern OGC standards (e.g.: OGCAPI), which embrace mainstream web technologies, such as REST, JSON and OpenAPI. These standards are already implemented by a variety of servers and clients, including FOSS. How did this technological modernization impact the experience of end users? In this talk, we'll share the experience from a research project, which included a variety of stakeholders that had the requirement of having to produce and share geospatial data among them. An SDI was assembled, using a mix of modern and more established standards, implemented through a stack of FOSS4G software. We would like to discuss some lessons learned from this project, including the need to identify strategies that can foster the adoption of the SDI by the stakeholders. As Brenda Laurel, an independent scholar, stated: "Design isn't finished until somebody is using it."