Osama bin Laden hid messages in porn: http://www.dailykos.com/story/2012/05/01/1087857/-About-those-dirty-pics-
Imagine the efforts of government operatives to find THOSE messages!
"Well, I scanned the first 20 minutes again today, up through the first sex scene. Still no secret messages."
Have you ever thought of looking farther in?
"I try, but I, er, um, keep falling asleep."