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John Hartley's Articles in Internet Marketing

  • Do You Know Your Cost of Acquisition of Clients?
    Cost per Acquisition (CPA) is one of the most important factors in marketing campaigns. Here you can find how to measure it, and what to do with it.
  • Should You Use CPA or CPM Adverts on Your Site?
    Different types of adverts are good for different sites. Find where to use cost-per-click and cost-per-impression adverts, whether you are an advertiser or publisher.
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