Still, you might learn something.

FORBES: A Clean Well-Lighted Place ... in Silicon Valley

You might learn something.

FORBES: The Minnesota Shutdown - A Glimpse Into The Nation's Future And The GOP's True Intentions

"You can learn a lot by going to people's homes, " Arena says, because you might notice something like a rug that could trip and injure the elderly person who lives there.

CNN: 'Ideal' doctors stress quality of over quantity