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Arthur Wynne was born on June 22, 1871, in Liverpool, England, and lived on Edge Lane for a time. His father was the editor of the local newspaper, the Liverpool Mercury . [ 1 ] He emigrated to the United States on June 6, 1891, at the age of 19, [ 2 ] settling for a time in Pittsburgh, Pennsylvania .
Jan Borysovych Koum [a] (born February 24, 1976 [1]) is a Ukrainian-American billionaire businessman and computer programmer. He is the co-founder and former CEO of WhatsApp, a mobile messaging app which was acquired by Facebook in 2014 for US$19.3 billion.
WhatsApp adds the ability to react to messages with any emoji. [43] 2023 May Product WhatsApp announces users will be able to edit messages up to 15 minutes after being sent. [44] 2023 June Product WhatsApp announces Channels, a feature that allows one-to-many communication for updates, and no defined limit for number of followers.
In January 2018, WhatsApp released a standalone business app called WhatsApp Business which can communicate with the standard WhatsApp client. [ 19 ] [ 20 ] The service was created by WhatsApp Inc. of Mountain View, California , which was acquired by Facebook in February 2014 for approximately US$ 19.3 billion.
A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one letter, while the black squares are used to ...
In 2009, Jan Koum and Acton co-founded WhatsApp, [4] a mobile messaging application which was acquired by Facebook in February 2014 for US$19 billion. Acton left WhatsApp in September 2017 to start the Signal Foundation. [5] According to Forbes (2020), Acton is the 836th-richest person in the world, with a net worth of $2.5 billion. [4]
WhatsApp launches WhatsApp Web, a web client which can be used through a web browser by syncing with the mobile device's connection. [18] Jan 21, 2015: WhatsApp announces its policy on cracking down on 3rd-party clients, including WhatsApp+. [19] Users would not be able to use WhatsApp’s services at all until the third-party apps are ...
Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup