Persuasive writing could be used for commercial and non-commercial purposes. In both the purposes, the message of the writer should gain the attention of the reader. It should also build the interest about the product or service and reduce the resistance of the reader and it should always end up in motivating the action of the reader. The message of the writer could be about buying a product or service. That would be an example of a commercial purpose. A piece of writing can also convince the reader about non-commercial actions. An example of this would be a writing about minding your health and quit smoking. Marketing companies use persuasive writing a lot to convince their target group . Before they start writing their article they do a lot of research about the target group. They try to find a way to reach their target group and a way to convince their target group. The research can make their persuasive writing very effective.