Quick Response code is a square bar code. QR codes can store lot of data compared to barcodes.
QR codes can store url's, email address, small emails, vcard etc.
QR codes can be read by using mobile phone application
QR-Code Data Capacities
Numeric only Max 7,089 characters
Alphanumeric Max 4,296 characters
Binary (8 bits) Max 2,953 bytes
QR-Codes dont need to scan from one particular angle, they can be read from any angle.
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