Three things to know:

Uh-oh. The "freelance economy" might not be so great after all. Steven Hill argues that companies like TaskRabbit and Uber are undermining the American middle class.

Do you know how to fix your car's engine? What about your coffeemaker, or your door? Kyle Wiens explains why repair culture is important - and why it’s struggling.

All Colin Consavage wanted for Christmas was a new hand. But when Santa couldn’t deliver, Mom figured something out.