Unless you're just copying a tired cover letter format you pull off the web. Then you're relying on the same old message and format as your competition. See below for a two quick ways to use your cover letter to get singled out as a hot prospect:
The third and last paragraph provides means to follow up your application. You can slightly review what you have previously mentioned in the letter to provide more emphasis. You can also provide means for contacting you in case you are considered in the next phase of the application process.