One of the most common mistakes in marketing communications materials is forgetting to tell the reader, viewer, or listener what you want them to do. It happens all the time: someone crafts a brilliant, memorable message, but forgets to include some sort of instructions.
Do you want people to buy your product? Visit your website? If you don’t point them in the right direction, they’ll come up with a course of action on their own, and odds are good that it won’t be the one you intended.