The New York Times
By: JODI KANTOR
Published: February 21, 2013

Before Sheryl Sandberg, the chief operating officer of Facebook, started to write “Lean In,” her book-slash-manifesto on women in the workplace, she reread Betty Friedan’s “The Feminine Mystique.” Like the homemaker turned activist who helped start a revolution 50 years ago, Ms. Sandberg wanted to do far more than sell books.  Read more.