Photos of people draw the eye to an ad faster than any other type of graphic. Ad Copy must be precise, persuasive, and point to a call for action. Special Offers turn prospects into customers more quickly. It helps to persuade them to act now, rather than later. For example, if you want to target adults, you wouldn't want to advertise in a magazine devoted to teenagers.
Radio is a tightly focused medium.
If you want to reach businesses, a business-oriented newspaper or magazine would be an ideal choice. If you want to reach women, a women-oriented publication would then be the right choice. Direct mail can be effective if you can tightly describe your target market and can find a mailing list that closely matches your customer profile. While not recommended for most businesses, Paying for space to have your product featured in a multi-brand mail order catalog may be a good choice for your company if the reader profile is appropriate. Finally, the Internet may be an excellent choice for you, especially if you want to reach a national audience.