The readers have some idea of what you are offering, but don't know the specifics. If they are interested and desire your product they will follow your directive and send for more info. If you know where a partially qualified ad response comes from, you may be able to tailor your response to increase the percent of resulting sales. Blind ads offer only a few details, they are short, and bring in the largest response. However, blind ads produce the lowest percentage of actual orders per reponse, they are often answered just out of curiosity.
Some words are more powerful than others.
Yes, getting them to have feelings about your words is what you want to accomplish. It is the feelings that are attached to the words that give them power. Look at the list of words below and see if you can recognize the feelings behind the words, that give them power. If you are haveing trouble finding power words to use in your ad, it is probably because you are conce trating to hard on what words you want to use instead of what sorts of feelings you want the reader to feel. Decide on the feelings first and then experiment with the words that best convey them.