KnowraQR codeLinked fromLinked fromThe 10 pages that link to QR code, each with the reason it gives.All 10Broader topic 5Related 2Compared with 3HyperlinkCompared with: A QR code can lead to a resource but is an encoded image rather than an embedded link.Near-field communicationCompared with: QR codes provide contactless data access without NFC radios, but require optical scanning.Universal Product CodeCompared with: QR codes hold data in two dimensions, unlike the UPC’s one-dimensional bar pattern.