Doctorow is an opponent of digital rights management, claiming that it limits the free sharing of digital media and frequently causes problems for legitimate users (including registration problems that lock users out of their own purchases and prevent them from being able to move their media to other devices) [REF].
He was a keynote speaker at international conference CopyCamp 2014 in Warsaw[REF] with a presentation entitled "Information Doesn't Want to Be Free" [REF].