Fill in the Blanks AMC May. U9Online version AMC May. U9 by Clara Chen 1 store spectacular distributed implement breakthrough boosted transparency Inspired limitations considerable mainstream QR ( Quick Response ) codes can be found everywhere . You can even find a number of them throughout this magazine , each subtly different from the last . They are the next step in the evolution of the bar code , and a necessity in the digital age . However , you might not know where they come from . If it hadn't been for Hara Masahiro , QR codes might not have entered the at all . He was working for Japanese company Denso Wave in the 1990s , when the of bar codes were becoming apparent . They could only hold 20 characters of information , but the increasing efficiency9of technology required a code with more capacity . by the black and white pieces on a Go board , Hara created a square pattern that included positional information telling the scanner which way to read it . As a result , QR codes can information both horizontally and vertically , packing a amount of information into a relatively small space . After Hara's , it took some time before QR codes began conquering the world . At first , they were used in automobile manufacturing . Manufacturers in other industries quickly found that the code's ability to contain so much detail was great for efficiency . It also helped them respond to consumer demands for greater in production and shipping , and this led to the codes becoming more widespread . Another thing that their popularity was Denso Wave's decision to make QR code specifications public so anyone could use them . Hara and his fellow developers wanted everyone not only to access the codes , but to also come up with new ways to them . As for what the future holds for QR codes , Hara says , " Black and white codes have become so mundane now . I'd like to create more QR codes that can stimulate people . "
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