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Continue to ChatBarcelona equips 8,000 city locations with NFC and QR touchpoints https://www.nfcworld.com/2014/12/05/333113/barcelona-equips-8000-city-locations-nfc-qr-touchpoints/
Barcelona equips 8,000 city locations with NFC and QR touchpoints https://www.nfcworld.com/2014/12/05/333113/barcelona-equips-8000-city-locations-nfc-qr-touchpoints/