If I were to be counseling a young person on business opportunities, I'd tell them this might be a good time to try and start a 'fix-it' business. Remember when your parents used to take that broken toaster, radio, or TV to the fix-it shop downtown? Yeah, those days will be back.
Actually, it may have a good effect on the enviroment and oil dependency, as well as in mining for rare elements.
Not so great for those businesses that rely on people buying the latest fashions. Apple, I'm looking at you.