PPC Pay per click
Google, Yahoo!, MSN and numerous other services will advertise your site and charge you when someone visits it. If you have a unique product, have a perfectly optimized site, have been on-line for more than nine months and are satisfied with the results you don't need PPC. However, if you have a variety of products or services and change them often it it may be your best marketing tool.
Some of the advantages of pay per click are:
• You get results as soon as your site is on-line.
• As with keywords, you can target your audience.
• You can accurately track the results.
• You can accurately test your ads.
• You can accurately test your key words.
• The cost is generally less than banners, etc.
• You can immediately adjust your budget.
• It keeps working as you change your site.
Make sure that the service allows you to budget your expenses. Unlimited response will cost you unlimited amount of money
Enhance Interactive
Enhance Interactive is a full service pay-per-click network used by customers to extend the reach of their paid search campaigns beyond major search engines.