The Power of Half its Sunday collections to a local charity. Baumberger remarked: "What will we learn by practicing the power of half? What will this program teach our children and youth? I cannot wait to find out." Melinda Gates, wife of Microsoft founder Bill Gates, said she was inspired by the Salwens' philanthropic efforts. On December 9, 2010, Bill Gates, Mark Zuckerberg (Facebook's CEO), and investor Warren Buffett signed a promise they called the "Gates-Buffet Giving Pledge", in which they promised to donate to charity at least half of their wealth. After launching the Giving Pledge, the Gates invited the Salwens to Seattle
Bill Gates world. Bill Gates has held the top spot on the list of The World's Billionaires for 18 out of the past 23 years. Gates has several investments outside Microsoft, which in 2006 paid him a salary of $616,667 and $350,000 bonus totalling $966,667. In 1989, he founded Corbis, a digital imaging company. In 2004, he became a director of Berkshire Hathaway, the investment company headed by long-time friend Warren Buffett. In 2016, he was discussing his gaming habits when he revealed that he was color-blind. In a BBC interview, Gates claimed "I've paid more tax than any individual ever, and