The effectiveness of an ad's placement is often judged by its cost per thousand (CPM),or the cost of reaching 1,000 audience members.For example,an ad that costs $20,000 to place in a major newspaper that is read by 1 million people has a CPM of

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The Answer of The effectiveness of an ad's placement is often judged by its cost per thousand (CPM),or the cost of reaching 1,000 audience members.For example,an ad that costs $20,000 to place in a major newspaper that is read by 1 million people has a CPM of

The Effectiveness of an Ad's Placement Is Often Judged by Its