http://gigazine.net/news/20140929-5-ways-sns-change-brain/

http://gigazine.net/news/20140929-ontake-photo/

http://www.yomiuri.co.jp/local/chiba/news/20140930-OYTNT50323.html

http://matimura.cocolog-nifty.com/matimulog/2014/10/ob-dfc5.html#more

http://news.goo.ne.jp/article/mainichi/nation/mainichi-20141002k0000m040031000c.html

http://www.kahoku.co.jp/tohokunews/201410/20141001_63018.html