search engine optimization is a subject that every webmaster should learn. And there is nothing that cannot be learned. You need not be a geek to learn and understand SEO.
Before you move further in SEO, it is important to know how it works. It is important to understand the advantages and limitation of the method. Then it is up to you to decide per your situatiion whether to use PPC...
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The basic principles of PPC campaign are good keyword strategy and the process to convert your visitors into customers. Campaigns need to be placed so that you end up earning more than you bid.