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♤ QR or Quick Response Codes are a type of two-dimensional(matrix) barcode that can be read using smartphones and dedicated QR reading devices, that link directly to text, emails, websites, phone numbers and more. Below is the QR code of visionias.in
♤ QR codes are huge in Japan and across the East, and are slowly beginning to become commonplace in the West.
♤ Ordinarily we think of a barcode as a collection of vertical lines; 2D Barcodes or QR Codes are different in that the data is stored in both directions and can be scanned vertically OR horizontally.
♤ Whilst a standard 1D Barcode stores up to 30 numbers, a QR Barcode can store up to a massive 7,089! It is this massive amount of data that enables links to such things as videos, Facebook or Twitter pages or a plethora of other website pages.