I think electronic cards are a useful tool. Such electronic cards will eventually be downsized and replaced with electronic chips..... The other day, I had the first experience of self-checkout. There is a self-checkout counter next to the existing manned cash register, and the customer can scan the product barcode and pay for it. handy terminal pay self-checkout powerful didn’t read it well scanned fast accurate troubles One of the 10 handy terminal pay self-checkout What I felt was that scanning was powerful. I used to scan a barcode with a handy terminal before, but often the machine didn’t read it well. There seemed to be a trick in the angle of the handy terminal and the timing of bringing it closer to the product, so I had a hard time. However, the self-checkout read power I experienced was powerful, fast, and accurate. Even if the product was about 15 cm away from the machine, the barcode was scanned simply by bringing the product close to t...