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2. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_Code

   The required data is then extracted from patterns that are present in both the horizontal and the vertical components of the QR image. [4] Whereas a barcode is a machine-readable optical image that contains information specific to the labeled item, the QR code contains the data for a locator, an identifier, and web-tracking.

3. QR code payment - Wikipedia

   en.wikipedia.org/wiki/QR_code_payment

   QR code payment. A QR code payment is a mobile payment method where payment is performed by scanning a QR code from a mobile app. [1] This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. [2] This avoids a lot of the infrastructure traditionally associated with electronic payments such as payment ...

4. Mobile payment - Wikipedia

   en.wikipedia.org/wiki/Mobile_payment

   QR, or "quick response", bar codes were designed to contain the meaningful information directly in the bar code. QR codes can be of two main categories: [49][citation needed] Mobile self-checkout allows for one to scan a QR code or barcode of a product inside a brick-and-mortar establishment in order to purchase the product on the spot.

5. Automatic identification and data capture - Wikipedia

   en.wikipedia.org/wiki/Automatic_identification...

   Automatic identification and data capture (AIDC) refers to the methods of automatically identifying objects, collecting data about them, and entering them directly into computer systems, without human involvement. Technologies typically considered as part of AIDC include QR codes, [1] bar codes, radio frequency identification (RFID), biometrics ...

6. Use POP or IMAP to sync AOL Mail on a third-party app or ...

   help.aol.com/articles/how-do-i-use-other-email...

   Learn how to sync AOL Mail with a third-party app, using POP or IMAP, to send and receive emails in the app or download a copy of your email.

7. Web tracking - Wikipedia

   en.wikipedia.org/wiki/Web_tracking

   The uses of web tracking include the following: Advertising companies actively collect information about users and make profiles that are used to individualize advertisements. User activities include websites visited, watched videos, interactions on social networks, and online transactions. Websites like Netflix and YouTube collect information about what shows users watch, which helps them ...