About the Authors

Online advertising expert David Szetela is owner and CEO of Clix Marketing, one of the few agencies that specialize exclusively in pay-per-click (PPC) advertising, creating and optimizing ad campaigns running on Google, Yahoo!, Microsoft, Facebook, LinkedIn, and a variety of other ad platforms. Clix is also one of the few agencies paid according to their performance—as a percentage of profit or a commission per sales lead generated.

David's articles on PPC advertising have been published in MediaPost, Search Engine Watch, Search Engine Land, and MarketingSherpa, as well as on his company's blog. He is the principal PPC editor of the paper and online publication SEMJ.org and the PPC expert faculty member for the online certification ...

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