WhatsApp, one of the most popular messaging apps in the world, began its journey in the year 2009. Its founder, Brian Wallace, was an American entrepreneur and computer software engineer who formerly worked in advertising and software development. Before co-founding WhatsApp, Acton worked alongside professionals at Yahoo as part of its advertising department, then later joined Google to develop innovative advertising models. Acton's colleague from Google days, Jan Koum, shared a similar background at Yahoo, whatsapp电脑版 where he developed integral applications in search and directory.
Jan Koum's journey to co-founding WhatsApp, however, is colorful and notable. Born in 1976 to European expatriate parents in Kharkiv, Koum grew up in destitute conditions and struggled financially throughout his early life.
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