The recent federal takedown of notorious file-sharing service Megaupload was initially seen as a huge victory for owners of copyrighted music and movies, but new research shows this may not be the case. Federal prosecutors successfully shuttered the service last month and arrested seven men associated with Megaupload including site founder Kim Dotcom, who is said to have earned $42 million from the site in 2010 alone. What was initially thought to be a victory for movie studios and record labels is turning ou...