Affiliate marketing has developed into one of the most cost efficient online marketing models, generating impressive results with modest budgets.
Unlike other costly marketing methods, affiliate marketing is performance-based. A vendor pays only for certain actions completed, such as the purchase of one of their products or filling out a contact form. This takes the risk away from you, and puts in into the hands of seasoned marketing experts.
Purchasing advertising space on specific websites and through ad networks that aggregate masses of traffic.
This is a very powerful marketing channel that is sometimes neglected due to lack of knowledge. While SEM and SEO may be too competitive, or fully exploited, media buying offers high volumes of traffic with great control at affordable rates.
Search Engine Marketing
Search Engine Marketing, is a form of Online Marketing, which aims to promote products, web sites and other online merchants, via the search engines.
The target audience sees the ads of the SEM campaign as the "sponsored results" when he searches for a phrase in one of the search engines (Google, Yahoo & Bing are the most common ones).