About the business:
This year's Inner City 100 companies have fought off a sluggish economy through a combination of smart investment and savvy strategy. Here's how they are doing it.
|Supersonic jet promises N.Y. To L.A. in 2.5 hours|
|Frozen's Elsa and Anna teach girls to code|
|How to become wealthy: It's simpler than most 'experts' say|
|OPEC oil cut unlikely|
|Drone pilot wanted: Starting salary $100,000|