Which technology company, a pioneer in enterprise software and database management, was co-founded by Larry Ellison?
Before founding what would become one of the world's largest investment funds for technology startups, Masayoshi Son built his initial fortune primarily through which Japanese software and telecommunications company?
Which social media platform, originally known as Facebook, was founded by Mark Zuckerberg?
Who is recognized as the first African-American woman to become a billionaire, primarily through her media empire?
What is the primary industry that formed the foundation of the immense wealth of the Koch brothers' conglomerate, Koch Industries, known for its extensive private holdings?
Which billionaire co-founded Google (now Alphabet Inc.) with Sergey Brin?
Which billionaire, a co-founder of PayPal, later became a prominent venture capitalist known for investing early in companies like Facebook and SpaceX?
What minimum net worth, expressed in U.S. dollars, defines an individual as a 'billionaire'?
Which former New York City mayor and media mogul built his fortune primarily through his financial data and media company, Bloomberg L.P.?
The founder of IKEA, Ingvar Kamprad, was famously frugal. What was his primary method of reducing costs in furniture manufacturing that revolutionized the industry?