"If a beautiful woman approaches you in a bar, slips a note in your pocket and whispers "Save me" in your ear, there's nothing salacious about it. Call the number to find out her fate, and instead, you'll ring through to a pitch for Majestic, a suspense/thriller game from Electronic Arts. In case you're curious, chivalry still reigns, and about 60 percent of solicited men called the number."
-An older article from ACNielsen on alternative advertising vehicles.
More:
"Provided economic growth can be sustained, ad spending may continue to pick up. How will the money be spent? There are plenty of alternatives to straightforward advertising, including a myriad of marketing and communications services, some of which are called “below-the-line” advertising."
- Economist, June 2004, "Harder hard sell."