Last month I was busy making new business cards to distribute to unsuspecting tourists (see my post “Stop me and Buy One”.) I checked out what information should be on my card and having established that I needed to put some of my book covers on the back, and an eye catching simple design on the front, I discovered that I should really add a QR code. Yes, those foxed me too, but wait a minute and you too will find out that QR codes are utterly brilliant.
The QR code was invented in Japan by a subsidiary of Toyota to track vehicles during manufacture. It was designed to allow high-speed component scanning and has since become one of the most popular types of two-dimensional barcodes. QR codes then became common in consumer advertising. Smartphone users or iPad owners can install a free app with a QR-code scanner that is able to read a displayed code and convert it to a URL, which in turns directs the smartphone’s browser to the website of the company, store, product. Continue reading “Codebreaking for Beginners”


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