Here’s our latest infographic which highlights nine entrepreneurs who became millionaires before they turned 30. Mark Zuckerberg, who at age 27 has an estimated personal net worth of $17.5 billion, tops the list, followed by Groupon founder Andrew Mason ($1.3 billion) and Firefox founder Blake Ross ($150 million).

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<i>Click image to enlarge</i><br /><a href="http://blogs.hrblock.com/2012/01/16/the-new-generation-of-tech-millionaires-under-age-30-infographic"><img src="http://blogs.hrblock.com/wp-content/uploads/2012/01/Tech-Millionaires-Under-30.jpg" width= 550px; alt="Tech Millionaires Under 30"/></a><br />Source: <a href="http://hrblock.com">H&R Block</a>