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QR Code is short for Quick Response Code and was invented in 1994 by Denvo Wave. It is a type of data matrix barcode and this website can help you create a QR Code. This barcode generator will allow you to have your own QR.
There are many uses for QR. Some use it on their business cards to easily scan their phone numbers or personal website. So instead of typing in the full mobile phone number, the user just needs to scan the QR Code using a QR Code scanner. Many smartphones are already equipped with QR Code Readers. If not, head to the app store and simply search for an app that can read those codes. There are many out there.
There are 4 error correction levels used for QR codes, with everyone adding special amounts of “backup” data relying on how plenty damage the QR code is expected to suffer in its meant environment, and consequently how much error correction can be required: