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 Deep Web you don't know about|
|Colorado gets $2 million from marijuana taxes|
|Pizza chain Sbarro files for bankruptcy|
|Premarkets: Is the market calm here to stay?|
|Invest $1 million, try for a U.S. green card|