バウチャーコードでさらに85%オフ
The coupons that were redeemed using QR codes also quadrupled from 1.3 billion QR code coupons in 2017 to 5.3 billion QR code coupons in 2019. In a study conducted in 2019 by Global Web Index , the QR code Global percentage of QR code users was 8% in North America, 13% in 15% in Pacific Asia, and 10% in Europe and Middle East Asia.
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