Also, read this: http://en.wikipedia.org/wiki/Qr_code:
"A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two-dimensional code) designed to be read by smartphones. The code consists of black modules arranged in a square pattern on a white background. The information encoded may be text, a URL, or other data."
http://mashable.com/2010/08/23/how-to-create-qr-codes/#29182-Find-a-QR-Code-Generator
http://mobile.kaywa.com/files/kaywa_guide_QR_codes_without_prices.pdf
Generate your free QR codes here:
http://qrcode.kaywa.com/
The address of my blog here, http://dorincard.blogspot.com, looks like this:
"A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two-dimensional code) designed to be read by smartphones. The code consists of black modules arranged in a square pattern on a white background. The information encoded may be text, a URL, or other data."
"Risks
Malicious QR Codes combined with a permissive Reader can put a computer's contents and user's privacy at risk. QR Codes intentionally obscure and compress their contents and intent to humans.[16] QR codes are easily created and may be affixed over legitimate QR Codes.[17] On a smartphone, the Reader's many permissions may allow use of the camera, full internet access, read/write contact data,GPS, read browser history, read/write local storage, and global system changes.[18][19][20]
Risks include linking to dangerous websites with browser exploits, enabling the microphone/camera/gps and then streaming those feeds to a remote server, exfiltrating senstive data (passwords, files, contacts, transactions),[21] sending email/SMS/IM messages or DDOS packets as part of a botnet, corrupting your privacy settings, stealing your identity,[22] and even containing malicious logic themselves such as JavaScript[23] or a virus.[24][25] These actions may occur in the background whereas the user only sees the Reader open a harmless webpage. [26]
Recommendations for mitigating risk include using a Reader with minimal permissions, be suspicious of every QR code, configuring the Reader to require user approval of actions, and using security software."
http://mashable.com/2010/08/23/how-to-create-qr-codes/#29182-Find-a-QR-Code-Generator
http://mobile.kaywa.com/files/kaywa_guide_QR_codes_without_prices.pdf
Generate your free QR codes here:
http://qrcode.kaywa.com/
The address of my blog here, http://dorincard.blogspot.com, looks like this:
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