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2. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_code

   A QR code to automatically join a Wi‑Fi network. By specifying the SSID, encryption type, password/passphrase, and if the SSID is hidden or not, mobile device users can quickly scan and join networks without having to manually enter the data. [59] A MeCard -like format is supported by Android and iOS 11+.

3. WhatsApp - Wikipedia

   en.wikipedia.org/wiki/WhatsApp

   WhatsApp (officially WhatsApp Messenger) is an instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. [14] It allows users to send text, voice messages and video messages, [15] make voice and video calls, and share images, documents, user locations, and other content.

4. Barcode Scanner (application) - Wikipedia

   en.wikipedia.org/wiki/Barcode_Scanner_(application)

   The application Barcode Scanner is an Android app, from the open-source project ZXing (short for Zebra Crossing ), that allows an Android device with imaging hardware (a built-in camera) to scan barcodes or 2D barcodes and retrieve the data encoded. [2] Information encoded often includes web addresses, geographical coordinates, and small pieces ...

5. Reception and criticism of WhatsApp security and privacy ...

   en.wikipedia.org/wiki/Reception_and_criticism_of...

   WhatsApp also uses artificial intelligence systems to scan unencrypted data collected from users (profile image and status; phone number, IMEI and OS; names and images of the user's WhatsApp groups; a list of the user's electronic devices [clarification needed]; any Facebook or Instagram accounts) and compares it against suspicious patterns or ...

6. China orders Apple to remove WhatsApp, Threads, other apps in ...

   www.aol.com/finance/china-orders-apple-remove...

   April 19, 2024 at 3:36 PM. Apple has removed popular messaging apps like WhatsApp, Telegram and Signal from its iPhone app store in China after the Chinese government ordered the company to do so ...

7. PDF417 - Wikipedia

   en.wikipedia.org/wiki/PDF417

   PDF417 is a stacked barcode that can be read with a simple linear scan being swept over the symbol. Those linear scans need the left and right columns with the start and stop code words. Additionally, the scan needs to know what row it is scanning, so each row of the symbol must also encode its row number.

8. Aztec Code - Wikipedia

   en.wikipedia.org/wiki/Aztec_Code

   The Aztec code is scanned by a handheld scanner by on-train staff or at the turnstile to validate the ticket. Governmental. Car registration documents in Poland bear a summary, compressed by NRV2E algorithm, encoded as Aztec Code. Works are underway to enable car insurance companies to automatically fill in the relevant information based on ...

9. Unified Payments Interface - Wikipedia

   en.wikipedia.org/wiki/Unified_Payments_Interface

   Unified Payments Interface (UPI) Unified Payments Interface, commonly referred to as UPI, is an Indian instant payment system as well as protocol developed by the National Payments Corporation of India (NPCI) in 2016. The interface facilitates inter-bank peer-to-peer (P2P) and person-to-merchant (P2M) transactions.