Content Marketing is a long-term effort to create content to develop a relationship with your target audience.  The content can come in many forms and needs to be a type that your target audience is looking for.   The content needs to be very relevant.  Content Marketing is different than advertising in that it tries to create a connection with a potential customer even before they are ready to buy.   But, when they are ready to make a purchasing decision, they already have an awareness of your home theater installation business.