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What is a CPM?

In media, a CPM is a unit of cost measurement meaning "cost-per-thousand." The M is the Roman numeral meaning 1,000.  

In digital media, you will see orders and rare cards priced on a CPM.  

For example, a $4/CPM display order means you are paying $4 for every 1,000 ad impressions served.  

Therefore, a campaign of 22,000,000 impressions at a $4/CPM will cost you $88,000 total. 

See the handy Clickz CPM calculator

What is a CPA?