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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 ...
Timeline of WhatsApp. The following is a timeline of WhatsApp, a proprietary cross-platform, encrypted, instant messaging client for smartphones. [ 1] Jan Koum incorporates WhatsApp in USA. [ 2] WhatsApp 2.0 is released on the App Store for the iPhone. [ 3]
Around 2011, AIM started to lose popularity rapidly, partly due to the quick rise of Gmail and its built-in real-time Google Chat instant messenger integration in 2011 and because many people migrated to SMS or iMessages text messaging and later, social networking websites and apps for instant messaging, in particular, Facebook Messenger, which was released as a standalone application the same ...
Messenger, [11] also known as Facebook Messenger, is an American proprietary instant messaging service developed by Meta Platforms.Originally developed as Facebook Chat in 2008, the client application of Messenger is currently available on iOS and Android mobile platforms, Windows and macOS desktop platforms, through the Messenger.com web application, and on the standalone Facebook Portal ...
Call 051-212-3456 within Busan: 212-3456. Call 051-212-3456 from elsewhere: 051-212-3456. Call 02-312-3456 from abroad: +82-2-312-3456. South Korea uses an open dialing plan with a total length (including 0) of 9 to 11 digits and, within city, subscriber numbers 7 to 8 digits long. Dialing from mobile phones to any type of phone except 010 ...
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. [ 16][ 17] WhatsApp's client application runs on mobile devices, and can be accessed from computers. [ 18]
iMessage. iMessage is an instant messaging service developed by Apple Inc. and launched in 2011. iMessage functions exclusively on Apple platforms – including iOS, iPadOS, macOS, watchOS, and visionOS – as part of Apple's approach to inter-device integration, which has been described by media outlets as a means of achieving vendor lock-in ...
signal .org /docs. The Signal Protocol (formerly known as the TextSecure Protocol) is a non- federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging conversations. [ 2] The protocol was developed by Open Whisper Systems in 2013 [ 2] and was introduced in the open-source TextSecure app, which later ...