https://blog.itokoichi.com/entry/2021/01/20/180000

https://www.sony.jp/ichigan/a-universe/specialevent/cpplus2021/?s_tc=jp_etc_etc_cpplus2021_dcwatch

https://mitaimon.com/%E7%A7%81%E3%81%8C%E3%81%9D%E3%82%8C%E3%81%A7%E3%82%82evernote%E3%82%92%E4%BD%BF%E3%81%84%E7%B6%9A%E3%81%91%E3%82%8B%E3%81%AE%E3%81%AF-%E9%81%8E%E5%8E%BB%E3%81%AE%E8%87%AA%E5%88%86%E3%81%AB%E3%82%A2%E3%82%AF%E3%82%BB%E…

https://www.gizmodo.jp/2021/01/under-development-foldable-iphone.html

https://www.gizmodo.jp/2021/01/sigma-24mm-f35-dg-dn-contemporary-handson.html

https://www.gizmodo.jp/2021/01/these-are-the-wearables-that-stood-out-at-ces.html

https://dc.watch.impress.co.jp/docs/news/1301216.html

https://allabout.co.jp/gm/gc/486752/

https://ascii.jp/elem/000/004/040/4040657/

https://dc.watch.impress.co.jp/docs/column/akagi/1301186.html

https://toyokeizai.net/articles/-/405223?display=b