But sometimes an employee has already moved on, or gotten laid off, before hitting that mark.

FORBES: Why Promoting From Within Usually Beats Hiring From Outside

But how long did it take you to find a new job after you had gotten laid off?

WHITEHOUSE: President Obama at LinkedIn Town Hall

You had folks who had just gotten out of high school, and you had folks who had -- were in midlife and had been laid off from a manufacturing job and had come here to retrain.

WHITEHOUSE: Education, Innovation & The Economy