Categories Articles The 24-year-old billionaire heiress to the Dell fortune explains why Silicon Valley is over Post author By crystalg Post date March 19, 2018 Business Insider Feedburner Tags 24YearOld, Billionaire, Dell, Explains, Fortune, heiress, Over, Silicon, Valley ← More Trouble for Facebook! 3 Things You Should Know Today. → Trump adds to legal team after attacks on Mueller