According to their 2014 annual report[0], optical media made up for only 7% of their revenue. [0] http://www.yuden.co.jp/ut/ir/files/news/54376eba6d579.pdf htt

According to their 2014 annual report[0], optical media made up for only 7% of their revenue. [0] http://www.yuden.co.jp/ut/ir/files/news/54376eba6d579.pdf http://www.yuden.co.jp/ut/ir/files/news/54376eba6d579.pdf