On January 12th, the #CEISphere webinar “Understanding the CEI Ecosystem via the Hourglass Model” brought together the community to explore how complex Cloud–Edge–IoT ecosystems can be better understood and structured. During the session, Antonio Kung (Trialog, O-CEI Standardisation Leader) introduced the Hourglass Model, developed within #CEISphere, as a practical framework to clarify how stakeholders, capabilities,...