n 1993, Bill and Melinda Gates—then engaged—took a walk on a beach in Zanzibar, and made a bold decision on how they would make sure that their wealth from Microsoft went back into society. In a conversation with Chris Anderson, the couple talks about their work at the Bill & Melinda Gates Foundation, as well as about their marriage, their children, their failures and the satisfaction of giving most of their wealth away. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more. Find closed captions and translated subtitles in many languages at http://www.ted.com/translate Follow TED news on Twitter: http://www.twitter.com/tednews Like TED on Facebook: https://www.facebook.com/TED Subscribe to our channel: http://www.youtube.com/user/TEDtalksDirector

Following a $4.6 billion gift to the Bill & Melinda Gates Foundation, Bill Gates announced his new "Mosquito Wars" project. Learn more about this story at www.newsy.com/71356/ Find more videos like this at www.newsy.com Follow Newsy on Facebook: www.facebook.com/newsyvideos Follow Newsy on Twitter: www.twitter.com/newsyvideos

Apple Chief Executive Tim Cook says he will donated his $800-million fortune to charity, after taking care of his nephew's education, before he dies