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The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] 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; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...
MeCard is a data file similar to vCard but used by NTT DoCoMo in Japan in QR code format for use with Cellular Phones. It is largely compatible with most QR-readers for smartphones. It is an easy way to share a contact with the most used fields. Usually, devices can recognize it and treat it like a contact ready to import.
Proprietary ring-shaped code for Facebook Messenger. Defunct as of 2019, replaced by standard QR codes. Micro QR code: Micro QR code is a smaller version of the QR code standard for applications where symbol size is limited. Micro PDF417: MicroPDF417 is a restricted size barcode, similar to PDF417, which is used to add additional data to linear ...
There’s no situation where you should share a six-digit verification code — not even with customer service or tech support. If someone asks you for your code, it's likely a scam. More ...
The Like button is one of Facebook's social plug-ins, which are features for websites outside Facebook as part of its Open Graph. [ 24 ] [ 25 ] Speaking at the company's F8 developer conference on April 21, 2010, the day of the launch, CEO Mark Zuckerberg said "We are building a Web where the default is social".
Download QR code; Print/export ... Microsoft announced that it had purchased a 1.6% share of Facebook for $240 ... a Facebook user can link their email account to ...
Tokens can be added by scanning a QR code or by manually entering the token configuration. It is licensed under the Apache 2.0 license , and supports Android and iOS . [ 4 ] [ 5 ] [ 6 ]