Lastly, QR codes also have the potential for security risks. Placement on moving objects, such as a vehicle, makes scanning impossible. In such cases, QR codes can quickly turn into a gimmick and users will not interact with the codes.įurthermore, a QR code must be placed in a static, stationary location so that the graphic can be read. The many options may tempt you to use QR codes even when they make little sense. In conjunction with other apps, QR codes can be used with augmented reality technologies.

App Store: Opens the App Store and links to an app.Twitter: Links to a Twitter profile or posts a ready-made tweet.

Bitcoin: Performs a crypto-currency transfer.

SMS: Sends an SMS with pre-made content.

Email: Sends an email with pre-made content.

Geo-location: Shows a location in Google Maps.

A QR code can also contain text such as voucher codes or information that may speed up the verification process during a ticket inspection, for example. Often, a URL is embedded within the code, which can be accessed using a QR code scanner app. They are found on tickets, vending machines, stamps, flyers, posters, and in many other places. QR codes are used wherever data must be understood quickly.

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