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.