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.
|2.1 million cars recalled for crash sensors|
|Comcast apologizes to customer for changing name to A-hole on bill|
|Are smart drugs driving Silicon Valley?|
|Bill Gates: 'I feel pretty stupid that I don't know any foreign languages'|
|Chris Messina: Why I choose non-monogamy|