How does COCOA work?
COCOA is simple: a one-stop shop where copyright owners, from individual authors to huge publishing conglomerates, can specify the visibility of scanned pages and other content. Thus, if one needs to block the last three pages of a certain short story in an anthology for contractual reasons, one quick visit to a secure web page and blink, all CDS’s will be informed and can block pages 214-216 of that ISBN number. Likewise, it lets publishers establish default visibility standards – for example, “unless otherwise specified, block the last 25% of novel pages from view” or “block every 4th page of our textbooks.” It’s easy for publishers and authors to use, and easy for CDS’s to implement. COCOA was designed with other media in mind, so that music and video files can be described in terms of what amount could be played for free (say, the first 30 seconds of all songs from a certain publisher or 100% of a specific video). COCOA is flexible, easy to use, comprehensive, and adheres to the co
