Jack Valenti, the firebrand longtime head of the Motion Picture Association of America (MPAA), was never one to mince words. As the movie industry's chief lobbyist, he knew how to portray his business's challenges in dramatic terms. Back in the 1980s, faced with new technology that supposedly threatened the studios' bottom line, Valenti once famously compared the VCR to the Boston Strangler.
Rhetoric like that took the battle against Betamax all the way to the Supreme Court, which ruled against the movie industry and helped establish the right of fair-use copying. We all know what happened to the VCR: not long...