Zuckerberg's important message on miscarriage

By Jodi F. Abbott and Eugene Declercq

Updated 1656 GMT (0056 HKT) August 5, 2015

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In perhaps the most famous entrepreneur story of the 21st century, Mark Zuckerberg and several classmates founded Facebook from a Harvard dorm room in 2004. Facebook now has more than 1 billion users worldwide, and Zuckerberg himself is worth about $30 billion, making him one of the world's richest men.
Photos: Striking it rich in tech
Striking it rich in tech – In perhaps the most famous entrepreneur story of the 21st century, Mark Zuckerberg and several classmates founded Facebook from a Harvard dorm room in 2004. Facebook now has more than 1 billion users worldwide, and Zuckerberg himself is worth about $30 billion, making him one of the world's richest men.
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A number of entrepreneurs have parlayed tiny tech startups into millions, or even billions. The latest to hit the jackpot: WhatsApp founders Brian Acton, left, and Jan Koum, who sold their mobile messaging service to Facebook for $19 billion in cash and stock.
Photos: Striking it rich in tech
Striking it rich in tech – A number of entrepreneurs have parlayed tiny tech startups into millions, or even billions. The latest to hit the jackpot: WhatsApp founders Brian Acton, left, and Jan Koum, who sold their mobile messaging service to Facebook for $19 billion in cash and stock.
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Jack Dorsey, Evan Williams and Biz Stone, left to right, started Twitter in 2006. The fast-growing company went public last year and is now worth more than $30 billion, making them all very wealthy.
Photos: Striking it rich in tech
Striking it rich in tech – Jack Dorsey, Evan Williams and Biz Stone, left to right, started Twitter in 2006. The fast-growing company went public last year and is now worth more than $30 billion, making them all very wealthy.
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David Karp founded Tumblr, the blogging platform, in 2007 when he was 20 years old. Last year it was bought by Yahoo for $1.1 billion.
Photos: Striking it rich in tech
Striking it rich in tech – David Karp founded Tumblr, the blogging platform, in 2007 when he was 20 years old. Last year it was bought by Yahoo for $1.1 billion.
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Aaron Levie launched Box, his cloud-computing company, from his college dorm room in 2005. It now has more than 20 million users, and Levie has said Box will likely go public in 2014.
Photos: Striking it rich in tech
Striking it rich in tech – Aaron Levie launched Box, his cloud-computing company, from his college dorm room in 2005. It now has more than 20 million users, and Levie has said Box will likely go public in 2014.
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Sergey Brin, left, and Larry Page founded Google in 1998 while graduate students at Stanford. The massive tech company went public in 2004, making them both billionaires.
Photos: Striking it rich in tech
Striking it rich in tech – Sergey Brin, left, and Larry Page founded Google in 1998 while graduate students at Stanford. The massive tech company went public in 2004, making them both billionaires.
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Reid Hastings, a former Peace Corps volunteer in Africa, founded Netflix in 1998. The company pioneered the use of DVD rentals through the mail and is now a leader in streaming video, with more than 40 million subscribers.
Photos: Striking it rich in tech
Striking it rich in tech – Reid Hastings, a former Peace Corps volunteer in Africa, founded Netflix in 1998. The company pioneered the use of DVD rentals through the mail and is now a leader in streaming video, with more than 40 million subscribers.
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Kevin Systrom founded Instagram, the photo-sharing network, with Mike Krieger in 2010. In 2012, Facebook snapped it up for more than $700 million.
Photos: Striking it rich in tech
Striking it rich in tech – Kevin Systrom founded Instagram, the photo-sharing network, with Mike Krieger in 2010. In 2012, Facebook snapped it up for more than $700 million.
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Andrew Mason founded daily-deals site Groupon in 2008, turned down a reported $6 billion acquisition offer from Google and later took the company public. But he was fired as CEO of his company in early 2013 after Groupon began struggling.
Photos: Striking it rich in tech
Striking it rich in tech – Andrew Mason founded daily-deals site Groupon in 2008, turned down a reported $6 billion acquisition offer from Google and later took the company public. But he was fired as CEO of his company in early 2013 after Groupon began struggling.
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Snapchat was just a class project at Stanford University for Evan Spiegel. His classmates told him after his 2011 presentation that no one would be interested in an app that shared temporary photos. Now the company is valued at more than $860 million and Snapchat has reportedly turned down buyout offers of upward of $3 billion from Facebook and Google.
Photos: Striking it rich in tech
Striking it rich in tech – Snapchat was just a class project at Stanford University for Evan Spiegel. His classmates told him after his 2011 presentation that no one would be interested in an app that shared temporary photos. Now the company is valued at more than $860 million and Snapchat has reportedly turned down buyout offers of upward of $3 billion from Facebook and Google.
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In 1994, Jeff Bezos left his job at a Wall Street hedge fund and drove from New York to Seattle, writing up his business plan for Amazon along the way. He started the company in his garage, banking on continued growth in internet use. Five years later he was TIME's Person of the Year and now he's worth an estimated $29 billion.
Photos: Striking it rich in tech
Striking it rich in tech – In 1994, Jeff Bezos left his job at a Wall Street hedge fund and drove from New York to Seattle, writing up his business plan for Amazon along the way. He started the company in his garage, banking on continued growth in internet use. Five years later he was TIME's Person of the Year and now he's worth an estimated $29 billion.
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At age 31, Dropbox founder Drew Houston is worth $400 million, according to Forbes. That's not bad for a guy who had the idea for the cloud storage tool because he kept forgetting his USB drives when he was a student at MIT.
Photos: Striking it rich in tech
Striking it rich in tech – At age 31, Dropbox founder Drew Houston is worth $400 million, according to Forbes. That's not bad for a guy who had the idea for the cloud storage tool because he kept forgetting his USB drives when he was a student at MIT.
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Ben Silbermann quit his post-college job at Google in frustration after saying he wasn't allowed to create products. Several years later the product he went on to create, Pinterest, is valued at nearly $4 billion.
Photos: Striking it rich