People waiting for trains in the subway were presented with a wall of products from the store, each with a QR code (Quick Response code) next to it.

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In the age of the QR (Quick Response) code, information from sources like mobile devices and social media, as well as all kinds of new specialized applications, is growing faster in the cloud.

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When scanned, a 1.5in (4cm) Quick Response (QR) code on the memorial launches a biography web page of the deceased on a smartphone or computer.

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Especially when it comes to security breaches done through fake quick response codes, or QR codes (crossword puzzle looking bar code scan-able by some smart phones), the iPhone is a lot safer, he says.

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