大日本印刷、デジタルサイネージ強化 １６年度に売上高１００億円目指す http://www.sankeibiz.jp/business/news/130604/bsc1306040701010-n1.htm http://news.mynavi.jp/news/2013/06/03/138/index.html http://markezine.jp/article/detail/17883 http://www.advertimes.com/20130604/article114103/ http://itpro.nikkeibp.co.jp/article/NEWS/20130603/481548/ http://www.asahi.com/tech_science/nikkanko/NKK201306060003.html