http://nlab.itmedia.co.jp/nl/articles/1806/03/news031.html

https://headlines.yahoo.co.jp/hl?a=20180531-00010000-nishinpc-soci

http://agora-web.jp/archives/2032907.html

https://headlines.yahoo.co.jp/hl?a=20180603-00000008-asahik-soci

https://www.nikkei.com/article/DGXMZO31302900S8A600C1CC0000/