NEW YORK ( TheStreet) -- With all of those little black-and-white boxes floating around the world known as QR codes, TheStreet's Jim Cramer gets a lesson from siblings Ross Kenneth Urken and Nicole Urken on what exactly these little squares are used for.Originally, these QR codes, short for quick response codes, were used in Japan in the early 1990's as a way to track the location of manufacturing parts.
Cramer Quick Take: Deciphering QR Codes
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