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2. 10 Receipt Scanner Apps That Reward You for Everyday Shopping

   www.aol.com/finance/best-receipt-scanner-apps...

   1. Fetch Rewards: Best for Free Gift Cards. Fetch Rewards lets you earn a minimum of 25 reward points by scanning digital and print receipts — 35 points minimum for qualifying purchases. It also ...

3. Self-checkout - Wikipedia

   en.wikipedia.org/wiki/Self-checkout

   Security barriers in a British Sainsbury's shop require customers to scan receipts before being allowed to leave the premises. Failure to scan all items is a form of shoplifting ( theft ). This can happen innocently when a customer scans only one item of a "buy one, get one free" promotion, or deliberately by a customer at a self-checkout.

4. Barcode reader - Wikipedia

   en.wikipedia.org/wiki/Barcode_reader

   Barcode reader. A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain ...

5. Barcode - Wikipedia

   en.wikipedia.org/wiki/Barcode

   A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode readers, of which ...

6. Optical character recognition - Wikipedia

   en.wikipedia.org/wiki/Optical_character_recognition

   Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...

7. Receipt - Wikipedia

   en.wikipedia.org/wiki/Receipt

   A receipt (also known as a packing list, packing slip, packaging slip, (delivery) docket, shipping list, delivery list, bill of the parcel, manifest, or customer receipt) is a document acknowledging that a person has received money or property in payment following a sale or other transfer of goods or provision of a service. [1][2][3][4][5] All ...