Digital advertising: PPC vs. CPM
This post is syndicated from Chicago Business - Blogs - On Entrepreneurs.
By Nick Harrison In digital advertising, the two most popular ways of purchasing ad space are PPC (pay-per-click), which allows you to pay only when someone clicks on your ad, and CPM (cost-per-milli; “milli" is Latin for "thousand”), where you are paying for every 1,000 impressions...
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