Nowadays one does not buy anything without a barcode.
现在人们买任何东西可不能没有条形码。
They have become so common and frequent that we do not even notice it anymore.
它们出现频率非常高且普遍，到现在甚至我们已经习惯于它们的存在。
From now on, be more attentive to them, as it may be in your hands something very creative.
从现在开始，多留意他们，因为它可能变成你手中那些很有创意的东西。