While visiting the Wikipedia page on Free and open-source software, I noticed the Challenges section from template at the bottom:In which Digital rights management and  Software patents seems considerable to me.So, I want to know about the interference/interaction of DRM with Free & Open Source Software.In other words, how do we react with it? Note: This question is split off for software patents separately, also visit this
Interference of DRM with free & open source software
law;drm