Automation World QR Codes Explained

Linking the printed page with digital communications, QR codes enable users to scan a code with their smartphone to share an article via e-mail.
April 25, 2014

Throughout the pages of Automation World magazine, you'll see pixelated squares known as QR codes. Use your smartphone's camera to scan them and quickly send articles to yourself or others via e-mail for future reference.

http://www.automationworld.com/search/site/QR%20codes

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