Ever since the smartphone era began, companies have looked for ways to quickly get information from the offline product world onto the phone. Barcode scanning is a popular approach while QR codes and proprietary tags, such as those from Microsoft, are other less-used solutions. These all require cameras and specifically printed codes; what if we could just use what looks like a standard ink solution and the touchscreen on our phones?
Forget QR codes: Your Touchscreen Can ‘Read’ This Ink
Credit: Shutterstock / gualtiero boffi

Credit: Shutterstock / gualtiero boffi
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