If you've had a manicure lately, chances are you probably had it done at a nail salon run by people of Vietnamese heritage.
The salons are everywhere — in nearly every city, state and strip mall across the United States. So how did Vietnamese entrepreneurs come to dominate the multibillion-dollar nail economy?
Filmmaker Adele Free Pham set out to answer that question in a documentary called Nailed It. Growing up in Portland, Ore., she says, she observed that all the nail salons around her were Vietnamese run.