> the material is transmitted through the system or network without modification of its content Udemy is watermarking the video, even though they know they fre

> the material is transmitted through the system or network without modification of its content Udemy is watermarking the video, even though they know they frequently have pirated material. And although the DMCA allows infringing copyright to be kept behind paywalls, I think this may have been a mistake. A general paywall, like a newspaper preventing non subscribers from reading user comments, seems more reasonable than charging per specific infringing video.