In addition to Fortune's 40 Under 40 list, we're also keeping our eye on these 20 innovators, young guns from a wide range of industries and backgrounds.
|The U.S. economy is showing cracks|
|7 big changes coming to Facebook|
|Nearly 1 in 5 people aren't saving at all|
|Apple's Tim Cook: Anti-gay laws are 'very dangerous'|
|Ford's big Lincoln Continental is coming back|