You may have already used some of these "Throw-away" methods of marketing.
                           Yellow Pgs
                           Direct Coupon 

Only Search Engine Marketing has the following benefits.
Used by over 80% of Consumers
Totally targeted advertising visible to consumers when  they are actively looking for
               your services or products
Always on 24/7 & up to date advertising 
Easily edited and updated at any time
Ability to dominate over your competitor's Ads
Ability to place your Ads in front of potential customers when they are specifically looking for
                your competitor's business name
Ability to easily capture customer contact information
Easy to track ROI without customer involvement
Easy to track success rate without customer involvement
Flexible multi media ads (Video, Text, Images, Sound)