New payment methods such as quick response codes have become popular too.

新的支付方式如快速响应码也变得流行起来。

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Quick response codes are more popular than any other methods.

QR 码比任何其他方法都更受欢迎。

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Passengers' shop 'by scanning QR - Quick Response - codes of the items they want to buy using their smartphones. These goods are later delivered to their home address.

乘客们只需用智能手机扫描他们所购买商品的快速反应码就可以轻松购物，这些商品不久就会送到家门口。

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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.

FORBES: Is The iPhone Safer Than Google's Android?

This wave utilizes a range of technologies, from older tools like bar codes to newer technologies like QR (Quick Response) codes.

FORBES: When The Web Meets The Real World: Moving Beyond QR Codes

As well as free wi-fi, it said the money would also fund signs with Quick Response (QR) codes which visitors would be able to scan on their smart phone to be directed to events and offers in the area.

BBC: Mansfield residents and businesses to chip in for wi-fi