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In January 2015, WhatsApp launched a web client that allowed users to scan a QR code with their mobile app, mirroring their chats to their browser. The web client was not standalone, and required the user's phone to stay on and connected to the internet.
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 ...
WhatsApp made it easier to focus on a single participant during a group call — just press and hold on their video. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call
Text messaging. A text message using SMS – the 160 character limit and difficulty of typing on feature phone keypads led to the abbreviations of "SMS language". The word "lol" sent via iMessage. Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters ...
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]
WhatsApp's user base grows to about 200 million active users and its staff to 50. Jul 2013: Sequoia invests another $50 million in Series B round, valuing WhatsApp at $1.5 billion. Jul 16, 2013: WhatsApp changes its profit model with an annual subscription fee of $1 after a free first year. Aug 2013
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