In 1992, some 15-20 years after they started showing up in stores, President George H. W. Bush was famously baffled by a supermarket scanner that used bar codes to “ring up” the purchases.
In 1992, some 15-20 years after they started showing up in stores, President George H. W. Bush was famously baffled by a supermarket scanner that used bar codes to “ring up” the purchases.