Cédric Moullet is the Head of Web Infrastructure at the Federal Office of Topography in Switzerland. He discusses his responsibilities managing open-source software projects for geospatial data and his contributions to projects like GeoExt and MapFish. He then demonstrates the mobile version of the Swiss national map viewer, mobile.map.geo.admin.ch, which allows users to access geospatial data and maps from their mobile devices. The mobile site uses the same data and services as the desktop version with an interface optimized for mobile and location services. It has been open-source since 2011 and serves over 1000 users per day.