Over at Sphere of Networks, I published a text that tries to give a simple overview of the workings of information production in the age of the internet, covering everything from free software to free culture. This article is a slightly modified version of a chapter of this text. I will show how peer-to-peer file-sharing networks work and how Big Media tries to prevent this sharing by means of random lawsuits and by using DRM. What does this copyright war mean for consumers and for our culture as a whole?