Bill Gates had an estimated net worth of US$90.6 billion at the time. , Gates had a net worth of $95.4 billion, making him the second-richest person in the world, behind Bezos. Later in his career and since leaving Microsoft, Gates pursued a number of philanthropic endeavors. He donated large amounts of money to various charitable organizations and scientific research programs through the Bill & Melinda Gates Foundation. In 2009, Gates and Warren Buffett founded The Giving Pledge, whereby they and other billionaires pledge to give at least half of their wealth to philanthropy. The foundation works to save lives and improve
The Road Ahead (Bill Gates book) a "very expensive marketing technique" where a book is placed on sale in multiple countries on the same day (November 24, in this case), giving the book "an almost sure shot at the No. 1 spot on best-seller lists." "The Road Ahead" got a first printing of 850,000 books in North America and several hundred thousand overseas. It was early enough in the history of the World Wide Web that "The New York Times" thought it newsworthy to report that Gates was going to "conduct on-line forums to promote the book" and Penguin had created a "Bill Gates web site