Recently released data from Google has highlighted some interesting trends in web usage world-wide. Taken from all websites which have opted-in anonymous data sharing with Google Analytics (hundreds of thousands), the metrics are statistically significant. The figures supplied are from comparisons between November 1, 2010 and February 1, 2011.
You may have noticed a prevalence of square-shaped barcode like images popping up all over the place. They’re in shop windows, on our TV screens, on packaging and increasingly appearing in advertising.
Quick Response (or QR for short) codes are readable two-dimensional barcodes arranged in a square pattern on a white background. They can be used to encode text, URLs or other data