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In January 2015, WhatsApp launched a web client that allowed users to scan a QR code with their mobile app, mirroring their chats to their browser. The web client was not standalone, and required the user's phone to stay on and connected to the internet. It was also not available for iOS users on launch, due to limitations from Apple. [137] [138]
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...
Barcode. A UPC-A 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 ...
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Yadoruku is tucked away in the quaint old part of Tokyo called Asakusa. It opens at 11:30 a.m. and closes when it runs out of rice, usually within the hour. Then it opens again for dinner. The ...
A court case could soon settle a spicy dispute: Who invented Flamin’ Hot Cheetos? A former PepsiCo executive is suing the company, saying it destroyed his career after questioning his claim that ...
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 . 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.