http://www.yomiuri.co.jp/net/newproducts/software/20130510-OYT8T00388.htm

http://gigazine.net/news/20130515-microsoft-read-messages-on-skype/

http://news.goo.ne.jp/article/nationalgeographic/world/ecoscience/20130515003-ng.html?fr=rk

http://www.asahi.com/national/update/0516/TKY201305150595.html

http://headlines.yahoo.co.jp/hl?a=20130508-00000131-mailo-l24

http://headlines.yahoo.co.jp/hl?a=20130516-00000554-san-soci