Search Engine Marketing Guide Is a Most Comprehensive Source
As you know, the pay-per-click industry has grown by leaps and bounds in the past few years. Searchfeed.com believes your guide is one out of a handful of publications that addresses the related basic, intermediate and advanced topics all in one publication.
We will definitely be recommending your reference guide to our advertising and affiliate networks, since it benefits those at any level of search engine marketing experience.
We look forward to future editions!