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.
|Quicken Loans' Super Bowl ad sparks backlash|
|Dow drops over 300 points as oil drops below $30|
|Under Sanders, income and jobs would soar, economist says|
|Moe's chides Chipotle: We're open all day|
|Facebook CEO Mark Zuckerberg and wife announce daughter's Chinese name|