Using a Bonus to Increase Sales, Part 3 of 6

To add impact to the "Cure Your Slice Now!" title of Sports Illustrated's subscription bonus offer, they added an exclamation point at the end of the title.

Although exclamation points are the most frequently overused punctuation marks, in this case the punctuation mark adds impact to the immediacy of the offer, summed up in the last word of the title, i.e., "Now."