Judging by their autographs, Bill Gates is unpretentious, Tim Cook is whip-smart and Mark Zuckerberg is super private, that is if you buy into graphology.
Whether they dropped out or stuck it out, going to college more than paid off for today's top tech startup billionaires -- higher ed skeptic and Stanford alum Peter Thiel included.
If you know in your heart you want to be an entrepreneur, weigh carefully whether the value of college outweighs the debt you'll carry when you graduate.
That's right. America's richest man believes Bitcoin is a promising payments solution. Why? Because it's 'cheap.' However, his outlook isn't as bright on the anonymity aspect.
During an open-forum Q&A hosted by Reddit, Bill Gates discussed philanthropy, business advice and even condom design in his first interview since stepping down as Microsoft's chairman.
Microsoft named 22-year veteran Satya Nadella its new CEO, signaling the company will favor staid continuity over the drastic overhaul that an outsider might bring to its beleaguered business model.