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.
|Why doesn't America's 4.9% unemployment rate feel great?|
|U.S. running out of space to store oil|
|Warren Buffett's $1 billion bet on oil|
|Those new USB-C cords can fry your laptop|
|GoPro is in a massive tailspin|