QR codes (QR = “quick response”) have a lot more capacity than conventional bar codes:
![Capacity of typical QR code for mobile phone applications compared to traditional linear bar code](https://i0.wp.com/www.eurotechnology.com/cc/cc20051117_qr/cc-qr-code-capacity.jpg?resize=450%2C250)
Marketing i-Pod-nano with QR-code: QR-code takes you directly to the mobile Apple store to buy your i-Pod-nano here and now on the road (read a detailed description of the Apple i-Pod QR-code campaign in our QR-Code report):
![iPod-nano QR code campaign in Tokyo/Shibuya in November 2005](https://i0.wp.com/www.eurotechnology.com/cc/cc20051117_qr/cc.qr.ipod.shibuya05.jpg?resize=450%2C200)
![NorthWest Airlines QR code campaign in Tokyo Shinjuku station](https://i0.wp.com/www.eurotechnology.com/cc/cc20051117_qr/cc.qr.nwa.jpg?resize=450%2C200)
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– QR-codes
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