https://www.thehindu.com/business/Industry/tech-to-decongest-cafeteria-operations-during-peak-hours-enabling-social-distancing/article31535041.ece
アイスクリームでも新しい技術
https://www.sfchronicle.com/food/article/You-can-now-try-Perfect-Day-s-high-tech-15256944.php