Sony, a Japanese technical whale created a blockchain to digitally manage the copyrights. In a press release sony explains how this blockchain will manage e-books, music, educational content, films, and other written content. Sony told the press that this blockchain will collect and make a catalog of publishing dates and dates of creation of the content.
Current this technology is intranet by sony.
By looking into the future sony says may be they add data management distribution tracking to this blockchain.