QR codes (Quick Response) are two-dimensional barcodes.
They were created in 1994 by an automotive industry to track vehicles during manufacture.
They were designed to be able to read the content at high speed.
20 years later, QR codes have become the most cost effective technology linking the physical world with the digital world.
When scanning a QR code, the user can get instant access to a website, a vCard, a YouTube video, a social network, even download a file, receive a discount coupon, a payment via PayPal… The sky's the limit!
Govs, institutions, NGOs, cities, food brands, marketing agencies, packaging companies, industries to improve product tracking, companies for control and communication; large, small and private companies. In short, everyone in the need to communicate with its audience.
Make sure the QR code is not damaged nor deformed.
Most devices have one already installed. If not, check your Store.
Place the phone over the code as if you were taking a picture of it. If the conditions are good, your phone should read it in a snap.
There are many different versions of the QR codes. This identify which one is being used in a particular code.
It stores information about the error correction level and the masking pattern.
It contains the information of the code itself.
Everything within a QR code that can't be damaged or covered, in order for the QR code to work.
It determines the direction, allowing 360º reading of the code.
It ensures that the code can be read in case it's printed on a curved surface or distorted because of the angle.
They enable the decoder to determine the width of the data matrix.
It helps isolate the code of its surroundings. Hint: don't forget to leave always an empty space around the QR code.