This is the qr code for this blog url. Read more about qr codes in wikipedia. As I understand it, a qr code is like a screen print which contains information which can be read and interpreted by your mobile phone. Some phones are bought with a qr code reader. You could download one from the internet, search for 'qr code reader' and your phone details. Keep your eyes open for qr codes around the library, especially on Level 6!
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