米国ラスベガスの決済事情
米国はキャッシュレス環境が整っていますので、ほとんどの場所でクレジットカードが使えました。さらにいうと、iPhone/ApplePayを含めてタッチ決済（NFC）に対応しているのでプラスチックカードすら不要でした。今回、現金が必要な場面は、チップと自販機だけでした。
2025/01/13 22:00
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Dr. Shintaro Mori's official blog
Shintaro Mori received his B.S., M.S., and Ph.D. degrees from Kagawa University in 2007, 2009, and 2014, respectively. Since April 2014, he has been with the Department of Electronics Engineering and Computer Science, Faculty of Engineering, Fukuoka University, Japan, where he is currently an assistant professor. His research interests include cross-layer design, information-centric wireless sensor networks, and their application for smart cities. He is an IARIA Fellow and a member of IEEE, ACM, IEICE, ISSJ, and RISP.