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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 was founded in February 2009 by Brian Acton and Jan Koum, ... revealed that WhatsApp and iMessage are vulnerable to law-enforcement real-time searches. ...
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 founder and Chief Executive Officer Jan Koum is leaving Facebook Inc., just a few years after his messaging app was acquired by the social-media giant for $22 billion.. Koum posted his ...
Facebook officially completes the acquisition of WhatsApp, and WhatsApp CEO Jan Koum agrees to match Mark Zuckerberg's $1 salary. [449] 2014: October 23: Product: Facebook launches pseudonymous app Rooms, where Facebook users can create and participate in forums on any topic and do not need to use their real names. [450]
The non-profit Signal Foundation was launched in February 2018 with initial funding of $50 million from WhatsApp co-founder Brian Acton. [26] As of January 2022, the platform had approximately 40 million monthly active users. As of May 2021, it was downloaded more than 105 million times. [27] [28]
The WhatsApp support staff announce that messages were encrypted in the "latest version" of the WhatsApp software for iOS and Android (but not BlackBerry, Windows Phone, and Symbian), without specifying the cryptographic method. [8] 2013: February: Userbase: WhatsApp's user base swells to about 200 million active users and its staff to 50. [2 ...
The co-founder of WhatsApp, a messaging service owned by Facebook Inc (FB.O) with more than 1 billion daily users, said on Monday he was leaving the company, in a loss of one of the strongest ...