To me, there’s nothing else other than some strong allusions to Pride and Prejudice (or Austen in general) that will make me buy a product. Commercials, trailers, advertisements… you name it, if it has Pride and Prej in it I will undoubtedly manage to acquire it. Especially if the ad is good.
I have been trying to angle all of my Facebook ads towards anything Austen/bookish. So for all the annoying iLasik advertisements that pop up, I press the thumbs down and say ‘uninteresting’ or one of the other synonyms they let you choose from. I finally had a little break through with this, slightly, Pride and Prejudice related advertisement, that is painfully similar to the last: