https://news.goo.ne.jp/article/sponichi/entertainment/sponichi-spngoo-20181228-0073.html

http://karapaia.com/archives/52269255.html

https://twitter.com/ka_ma_ta/status/538294375332057089

https://toyokeizai.net/articles/-/255791

http://haniwa.blog3.fc2.com/blog-entry-2767.html

https://japanese.engadget.com/2018/12/27/ipad-pro-surface-go-2018/

http://www.itmedia.co.jp/pcuser/articles/1812/28/news026.html

https://www.oricon.co.jp/confidence/special/52331/

http://www.itmedia.co.jp/news/articles/1812/28/news003.html

https://automaton-media.com/devlog/interview/20181228-82392/ https://automaton-media.com/devlog/interview/20181229-82412/