The ultimate insider look at the newest titans of techand what you can learn from their successIn 2007, twenty-one-year old David Karp launched Tumblr, a simple micro-blogging platform, on a whim. By 2012, it had become one of the top ten online destinations, drawing 170 million visitors. By 2013, Yahoo had acquired Tumblr for over $1 billion. Just like that, a kid who hadnt even earned his high school diploma was worth over a quarter billion dollars. And hes not the only one .Silicon Valleys newest billionaires represent a unique and unconventional breed of entrepreneur: young, bold, and taking the world by storm with their extreme speed, insatiable hunger, and progressive leadership. These whiz kids (and, to be fair, a few adults) have the hottest companies in the world. They are all turning just one brilliant insight or hook into money at a rate never before seen in human historycreating companies that, even with no revenue, garner insane valuations.

With unique insider access to the worlds most influential and wealthy entrepreneurs, Forbes has dug in to find what these super-entrepreneurs say about their own success. This book, introduced, edited, and updated by Forbes editor Randall Lane, is the first comprehensive look at who these instant tech billionaires are and how they achieved their quick wins. With sixteen illuminating pieces, including two never-before published features, we get behind-the-scenes examinations of the founders of Spotify, Airbnb, Tumblr, Twitter, and more, including:Elon Musk: The billionaire founder of Paypal, electric carmaker Tesla, and private space company SpaceX. His extreme ambition is matched by his preternatural engineering mind; no wonder he was the model for Robert Downey Jr.s portrayal of Iron Man.Evan Spiegel: The twenty-three-year old declined a $3 billion cash offer from Mark Zuckerberg, after making the mountain come to Mohammed (Snapchats HQ is in Los Angeles) an unheard of request from a young gun to one of the biggest players in Silicon Valley. The story of Snapchats origin is even wilder than Facebooks, but Spiegels ability to parlay infamy and popularity into revenue is still up in the air, even as Snapchats valuation continues to grow.Alex Karp: An eccentric philosopher with almost no tech background turned a Peter Thiel backed venture, Palantir, into a data-mining champion, with clients like the NSA, the FBI, and the CIA.

Amid heated privacy concerns, Karp continues to grow Palantir like crazy, to $196 million in funding and an estimated $1 billion in contracts in 2014.You Only Have to Be Right Once is the definitive collection of everything we can learn from these incredible game changers and what their next moves spell for the future of business.