From your e-mail inbox to billboards and network TV, it is everywhere. Pornography is a $10 billion industry here in America—and that's just in our country. Worldwide, porn brings in $57 billion a year. According to a Chicago Tribune poll, 70 percent of men ages 18 to 34 admit to looking at Internet porn at least once a month.

• How has porn affected your life? The Oprah Show wants to know. Tell us about your experiences.
• Do you or your spouse look at porn? Take our pornography poll.