The fractional life

With jewelry, yachts, and vineyards available by the slice, even the superrich are learning to share. Here are seven ways to enjoy the luxury life.

Almanac of American Wealth Who's got it and what they're doing with it. (more)
The richest Americans 10 plutocrats, ranked by heir total wealth as a fraction of U.S. GDP. (more)
How they give back The largest donations in U.S. history. (more)
Wealthy eccentrics Sometimes the rich are a little different. (more)