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.
|Princess Charlotte: Four months old, worth $5 billion|
|Jessica Alba's Honest Company sued for alleged false labeling|
|Egyptian billionaire offers to buy island for refugees|
|Apple beaten on rumored iPhone 6S feature by an orange September 04|
|Baubax jacket sought $20,000 on Kickstarter, but got $9 million|