The world's 200 riches people have doubled their wealth in just four years, and the assets of the three richest families now exceed the combined gross national products of all the least-developed countries, according to a UN report. "Global inequalities in income and living standards have reached grostesque proportions," according to the Human Development Report, an annual survey that foucuses this year on the cost and benefits of globalization, a vaguely defined term that includes developments as diverse as the liberalization of markets and the expansion of the Internet.