Bad writing is a turn-off to potential customers. An example of very bad writing is in the following message that came in an e-mail from a building product promotion company:

Understanding Quartz Surfacing Material
"Provides 1 AIA/CES HSW LU

This course will better inform the designer on quartz, the history and its relationship with quartz surfacing materials. Quartz has played a unique role in the history of quartz surfacing materials. Its unique properties have made it into an exceptional material in the building industry. This course will help you gain a general understanding of quartz the unique manufacturing process of Quartz surfacing materials. You will also gain insight on the differences between solid surfaces, stone surfaces and quartz surfaces.

This text cries out for a copy editor. For example:

The first sentence mentions the relationship of quartz to the history of quartz surfacing. So does the second sentence. The statement that "Quartz has played a unique role in the history of quartz surfacing materials." is outrageously obvious.

The word "unique" is abused by being used three times in this short paragraph, diminishing the word's impact.

The fourth sentence would benefit from a conjunction so that it would read: "This course will help you gain a general understanding of quartz AND the unique manufacturing process of Quartz surfacing materials."

There are other errors, too. See if you can identify them.

If you are not a skilled writer, find an editor to check your work before sending it out.