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2. What you need to know about QR code scams and how to ... - AOL

   www.aol.com/know-qr-code-scams-stay-204500807.html

   Trust your gut. Sharp instincts can also help users avoid the quishing traps. Be wary of improbable deals and emotional appeals, and never disclose personal information like Social Security ...

3. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_code

   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 ...

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 ] The QR code is presented on the mobile device of the person paying and scanned by a POS or another mobile device of the payee

5. QR Codes Are Reshaping Public Transit, But Are They Safe? - AOL

   www.aol.com/qr-codes-reshaping-public-transit...

   "Because QR codes can sometimes be a little easy to fake, these apps now have the ability to have a kind of dancing QR code that can only be read by the by the train engineer's readers.

6. Fact check: QR codes on Georgia ballots record votes as cast

   www.aol.com/news/fact-check-qr-codes-georgia...

   The paper ballot has the names of the voter’s choices written on it plus a large QR code — a square-shaped pattern of dots that a computer scanner can read.

7. QR decomposition - Wikipedia

   en.wikipedia.org/wiki/QR_decomposition

   QR decomposition. In linear algebra, a QR decomposition, also known as a QR factorization or QU factorization, is a decomposition of a matrix A into a product A = QR of an orthonormal matrix Q and an upper triangular matrix R. QR decomposition is often used to solve the linear least squares (LLS) problem and is the basis for a particular ...

8. Alipay - Wikipedia

   en.wikipedia.org/wiki/Alipay

   Alipay's new feature allows users to track how the app collects data about them and is an interactive equivalent to a privacy policy, which explains how an app collects, stores, and shares user data. [81] Alipay was banned in India (along with other Chinese apps) on 2 September 2020 by the government amid the 2020 China-India skirmish. [82] [83]

9. List of most-followed Instagram accounts - Wikipedia

   en.wikipedia.org/wiki/List_of_most-followed...

   The most followed person is Portuguese footballer Cristiano Ronaldo, and the most followed woman is American singer-actress Selena Gomez . Cristiano Ronaldo is the most-followed individual, sportsperson, footballer, Portuguese and European on Instagram, with over 635 million followers. Lionel Messi is the most-followed Argentinian and South ...