"The remixthebook.com website is the online hub for the digital remixes of many of the theories generated in the print book and features the work of artists, creative writers and scholars for whom the practice and theory of remix art is central to their research interests."
"Filmmakers, fans, activists, artists, and media makers have been reediting television, movies, and news media for critical and political purposes since almost the very beginning of moving pictures. Over the past century, this subversive form of populist remixing has been called many things, including appropriation art, détournement, media jamming, found footage, avant-garde film, television hacking, telejusting, political remix, scratch video, vidding, outsider art, antiart, and even cultural terrorism."
These videos are really cool and definitely worth checking out. The early examples, going back to 1941, show the constant desire of people to remix before the technology really caught up.