It has won exclusive e-publishing deals from authors such as Stephen King and Stephen Covey.

WSJ: Digital Self-Publishing Shakes Up Traditional Book Industry

An earlier version of this commentary incorrectly attributed a quote from Stephen Covey.

CNN: Obama's 5 big mistakes

Stephen Covey will be remembered most as the author of The Seven Habits of Highly Effective People, which sold over 25 million copies.

FORBES: Stephen Covey: 10 Quotes That Can Change Your Life

Stephen Covey of 7 Habits recommends envisioning your funeral and writing down what you want your family, friends, colleagues and significant others say about you.

FORBES: The Seven Habits of Highly Effective Changemakers

Allen, Dave Checketts, and Stephen Covey.

FORBES: In An Election About the Economy, Mitt Romney Should Embrace His Mormonism