https://www.itmedia.co.jp/news/articles/2211/09/news181.html

https://news.mynavi.jp/article/20221109-2508397/

xPeria lEaker: Galaxy Z Fold 4。米Samsungで驚異的な価格で購入可能. https://gazyekichi96.com/2022/11/08/galaxy-z-fold-4-available-at-samsung-for-amazing-prices/

https://www.itmedia.co.jp/mobile/spv/2211/08/news192_0.html

https://response.jp/article/2022/11/09/363893.html

https://blog.itokoichi.com/entry/2022/11/08/200000

https://www.yomiuri.co.jp/economy/20221108-OYT1T50243/

https://www.huffingtonpost.jp/entry/what-is-mastodon_jp_6369e99be4b05f221e7d458c