https://www.lifehacker.jp/2018/08/173240-machi-ya.html

http://www.itmedia.co.jp/news/articles/1808/28/news048.html

https://jp.techcrunch.com/2018/08/25/2018-08-24-a-majority-of-u-s-teens-are-taking-steps-to-limit-smartphone-and-social-media-use/

https://twitter.com/myrmecoleon/status/1034009510195515392

https://twitter.com/raurublock/status/1033891635052990464

https://shinsho-plus.shueisha.co.jp/interview/knights_hanawa/4034

http://news.kakaku.com/prdnews/cd=toy/ctcd=4310/id=77113/