At Open Source Days 2008 assistant professor Rasmus Ulslev Pedersen will give his Lightning Talk on October 4. 10.45-11.45 am. The title of the Lightning Talk is: Firmware Replacements on Lego Mindstorms NXT. The talk is concerned with the fundamental principles of hosting different micro information systems on a common platform. By using a common platform it is possible to make scientific inferences regarding pros and cons of using different micro information operating systems and associated software development styles.