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The man who's made billions by seeling your secrets: The Mail meets Facebook's £4.4bn founder aged 26 | Daily Mail Online
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7 FOR ALL MANKIND on Twitter: "Mark Zuckerberg has gone public in 7FAM denim! Love his style? Help us get to 18,000 followers to win his jeans! http://t.co/IxjkJGX5" / Twitter
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![Facebook founder Mark Zuckerberg walks around Dublin before heading to visit the Guinness Storehouse. Zuckerberg has been in Dublin since Thursday evening and made a trip to the Dublin Facebook offices on Facebook founder Mark Zuckerberg walks around Dublin before heading to visit the Guinness Storehouse. Zuckerberg has been in Dublin since Thursday evening and made a trip to the Dublin Facebook offices on](https://c8.alamy.com/comp/DBDTH1/facebook-founder-mark-zuckerberg-walks-around-dublin-before-heading-DBDTH1.jpg)
Facebook founder Mark Zuckerberg walks around Dublin before heading to visit the Guinness Storehouse. Zuckerberg has been in Dublin since Thursday evening and made a trip to the Dublin Facebook offices on
![Facebook founder Mark Zuckerberg walks around Dublin before heading to visit the Guinness Storehouse. Zuckerberg has been in Dublin since Thursday evening and made a trip to the Dublin Facebook offices on Facebook founder Mark Zuckerberg walks around Dublin before heading to visit the Guinness Storehouse. Zuckerberg has been in Dublin since Thursday evening and made a trip to the Dublin Facebook offices on](https://c8.alamy.com/comp/DBDTGX/facebook-founder-mark-zuckerberg-walks-around-dublin-before-heading-DBDTGX.jpg)