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2. 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. It allows users to send text, voice messages and video messages, make voice and video calls, and share images, documents, user locations, and other content.

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. 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; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...

4. Kik Messenger - Wikipedia

   en.wikipedia.org/wiki/Kik_Messenger

   Kik Messenger, commonly called Kik, is a freeware instant messaging mobile app from the Canadian company Kik Interactive, available on iOS and Android operating systems.. The application uses a smartphone's internet connection to transmit and receive messages, photos, videos, sketches, mobile web pages, and other content after users register a username.

5. Join The Independent’s free WhatsApp Channel for breaking ...

   www.aol.com/join-independent-free-whatsapp...

   Never miss a big story as our dedicated news team will keep you informed on the latest breaking news, exclusive features, gripping interviews and must-watch videos

6. 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 ...

7. Barcode reader - Wikipedia

   en.wikipedia.org/wiki/Barcode_reader

   Barcode reader. A stationary barcode scanner for a conveyor line. 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.

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

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

   On December 17, 2019, WhatsApp fixed a security flaw that allowed cyber attackers to repeatedly crash the messaging application for all members of group chat, which could only be fixed by forcing the complete uninstall and reinstall of the app. The bug was discovered by Check Point in August 2019 and reported to WhatsApp. It was fixed in ...

9. List of URI schemes - Wikipedia

   en.wikipedia.org/wiki/List_of_URI_schemes

   Unofficial but common URI schemes. URL scheme in the GNOME desktop environment to access file (s) with administrative permissions with GUI applications in a safer way, instead of the insecure-considered sudo, gksu & gksudo . URL scheme can be used by packaged applications to obtain resources that are inside a container.