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A QR (Quick Response) code is a type of two-dimensional barcode that contains coded information in the form of dots, lines and squares, and can be quickly read by a cellular device or QR code reader.
QR codes are widely used to store different types of information, such as:
Menú QR : It can be used in a restaurant bar, cafeteria or pizzeria instead of using physical printed menus.
Links to websites: By scanning the QR code, the user can quickly access a specific web page.
Contact details: They may contain contact information, such as telephone numbers, e-mail addresses, etc.
Text messages: They can contain short messages, such as a text or a note.
Product information: Some products have QR codes with additional product details.
VCards: They contain structured contact information, which can be added to the device's address book.
Wi-Fi network connection: They can automatically configure the connection to a Wi-Fi network when they are scanned.
Electronic business cards: Contains contact details of the cardholder.
Events information: They may contain details about events, schedules, locations, etc.
Authentication and Security: QR codes are also used in two-factor authentication and other security applications. Scanning the code can be part of a verification process.
Payments and Transactions: In some cases, QR codes are used to facilitate payment transactions. Scanning the code can initiate a transaction and transfer payment information.
QR codes are practical tools for the rapid transfer of information in a variety of contexts, from marketing and commerce to information management and security. Their versatility and ease of use have made them a widely adopted technology in everyday life.
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