Select a product, invent a product, select an issue, or select a political candidate and persuade your reader to buy into your ideas.  The topic should interest you, but you should think of your mark as your fellow classmates (not me). 

Use as many types of deception as effectively as possible. Here the emphasis should be on effectiveness. The challenge will be to avoid parody. Cons are often hyperbolic but not to the point of absurdity.