http://www.lastday.jp/2013/04/04/facebook-search-post-app

http://booklog.kinokuniya.co.jp/tsuji/archives/2013/05/post_94.html

http://www.hosokai.or.jp/item/annai/shinkan/shinkan.html

http://headlines.yahoo.co.jp/hl?a=20130601-00000045-mai-soci

http://matimura.cocolog-nifty.com/matimulog/2013/05/book-de6a.html

http://sankei.jp.msn.com/affairs/news/130531/crm13053114560005-n1.htm