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What is a QR Code?

A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two-dimensional code) first designed for the automotive industry. More recently, the system has become popular outside of the industry due to its fast readability and comparatively large storage capacity. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be made up of four standardized kinds ("modes") of data (numeric, alphanumeric, byte/binary, Kanji), or by supported extensions virtually any kind of data. - Wikipedia

Data that can be represented by a QR Code

The options are practically endless as to what can be represented in a QR Code. QR Codes encode bytes of data in a 2D format. The limiting factor of what can be represented is what the QR Code readers are set up to do. The following are common formats of QR Codes:

• URL (Web Links)
• Social Media
• Email Address
• Telephone Number
• Send Email
• Contact Information
• SMS
• Geographic Information (Map Location)
• YouTube Videos
• Calendar Events