This document summarizes Willem van Valkenburg's presentation on OpenData at Delft University of Technology. The presentation covered TU Delft's mobile app called iTU Delft, which provides information and services to students and staff from iOS, Android and mobile web applications. It also discussed TU Delft's involvement in open educational resources through its OpenCourseWare initiative, which makes course materials freely available online to promote open access to education worldwide. Key points included the benefits of open licensing of educational content, TU Delft's contributions of video content to open platforms like iTunesU and YouTube, and the use of open standards to share courses broadly.