To start with, you would need to stop the production of porn by business enterprises, forcing, at minimum, every person who has ever attended the Adult Video News Awards in a professional capacity to immediately find a new line of work.

Next, you would need to find a way to stop a slew of high profile, incredibly lucrative websites from posting, hosting, or otherwise distributing explicit material.

After you cracked down on the pros, you would need to go after amateurs by finding some way to stop tens of millions of iPhone-wielding Americans from making home movies—many of which would resemble professional products in quality—and distributing them anonymously online, or even just amongst trusted circles of friends.