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- zh.wikipedia.org
  
  WhatsApp - 维基百科，自由的百科全书
  
  在Windows Phone版本的WhatsApp是免費下載和註冊使用的。在iOS版本中，用戶要先付0.99美元，才擁有在App Store的 ...
  
  2025-09-28
  
  瀏覽：1161
- en.wikipedia.org
  
  Jan Koum - Wikipedia, the free encyclopedia
  
  Jan Koum (Ukrainian: Ян Кум, born in Kiev, Ukraine on February 24, 1976) is an American internet entrepreneur and computer engineer. He is the CEO and co-founder with Brian Acton of WhatsApp, a mobile messaging application which was acquired by Facebook I
  
  2025-09-30
  
  瀏覽：867

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Jan Koum - Forbes - Information for the World's Business Leaders - Forbes.com

日期：2025-09-28

WhatsApp Hits 500 Million Users A couple of months ago, Facebook announced it was acquiring WhatsApp for $19 billion in cash and stock options. Today, WhatsApp co-founder Jan Koum wrote a blog post saying that the service now has 500 million active users....

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Exclusive: The Rags-To-Riches Tale Of How Jan Koum Built WhatsApp Into Facebook's New $19 Billion Ba

日期：2025-09-30

Jan Koum picked a meaningful spot to sign the $19 billion deal to sell his company WhatsApp to Facebook earlier today. Koum, cofounder Brian Acton and venture capitalist Jim Goetz of Sequoia drove a few blocks from WhatsApp’s discreet headquarters in Moun...

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WhatsApp Jan Koum Lived On Food Stamps - Business Insider

日期：2025-09-28

WhatsApp co-founder, Jan Koum, 37, was born in Ukraine. He arrived in the U.S. when he was just 16 years old and his family struggled. They lived on food stamps, venture capitalist Jim Goetz revealed in a blog post. In fact, Koum's family picked up their ...

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Who Is WhatsApp’s Jan Koum? - Digits - WSJ

日期：2025-09-30

In announcing Facebook ’s deal to acquire the mobile-messaging app WhatsApp for $19 billion, Mark Zuckerberg said he’s “known Jan for a long time.” The rest of us, particularly people in the U.S., aren’t as familiar. Jan Koum co-founded WhatsApp along wit...

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WhatsApp co-founder Jan Koum's rags to riches story - NDTV

日期：2025-10-02

San Francisco: Jan Koum, an immigrant from Ukraine, was so poor as a teenager that he used to save his old Soviet notebooks for school and queued with his mom for food stamps. Brian Acton lost a small fortune in the dot-com bust and was rejected for jobs ...

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WhatsApp founder Jan Koum's rags to riches story - Feb. 20, 2014

日期：2025-09-29

The only thing more stunning than WhatsApp's $19 billion price tag is the incredible journey of the messaging app's CEO Jan Koum. Koum was raised in Ukraine, immigrating in the early 1990s to the United States when he was a teenager. Living on welfare and...

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Whatsapp’s Jan Koum says privacy won’t suffer with Facebook acquisition | Naked Security

日期：2025-09-28

Jan Koum, co-founder and CEO of Whatsapp, has responded to concerns that have surfaced since the company was acquired by Facebook. ... Jan Koum, co-founder and CEO of Whatsapp has responded to privacy concerns that, unsurprisingly, have surfaced ......

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