This infographic displays how QR’s Codes work.
QR or (Quick Response) code is the trademark name for the two
dimensional bar-code system.
They were invented originally in 1994 by a subsidiary
of Toyota as way to track vehicles on their assembly line.
Today they are used in many ways, from inventory tracking, to shipping and logistics,
to online ticketing, also to link to promotional videos on YouTube or set reminders
for upcoming shows. Other applications include putting Google Maps directions on
a business card, to linking to a web page, or even sending a text/email to the company helpline.
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