Today, numbers are on the wane thanks to the ease with which mobiles can store and retrieve names and the ubiquity of email addresses and other internet-based identity tags, such as Skype names.

现在，由于移动设备存取名字十分方便、再加上无处不在的电子邮件地址及其它源自互联网的身份标识，数字在生活中正变得越来越少见。

youdao

They could be used to make cheap radio-frequency identity tags in essence, printable bar-codes that transmit an identifying code in response to a pulsed radio signal.

ECONOMIST: Just press print