Talk:Cost per impression

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The only way Cost Per Click is better than Cost Per Impression is that it is easy to measure the clicks.

CPM is better for the browsing public (and for publishers) because publishers aren't tempted try to trick people into clicking the ads to get a payout. CPI means less intrusive, less deceptive ads and better content.

Other than being a horrible example of squeezing as much out of a CPM as possible(700 million ads on one page), the webopedia definition adds nothing. 199.15.2.94 15:40, 8 November 2006 (UTC)

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I would dispute that CPM is better for the Publisher while CPA is better for the Advertiser. It depends solely on the situation. CPM may for cheaper and more affective for an advertiser who is able to create good graphical elements, and has a site which converts well already since the cost is usually lower. CPA would be much more suited if the publisher is required to add value to the sales process.

The article mentions what CPI is used for, but no where does it mention what CPI actually does. What is meant by the term "impression?"--146.145.125.131 15:46, 23 October 2007 (UTC)

Basically, reiterating the last comment: The term IMPRESSION needs to be defined at the top of the article! Hello?