Cost per thousand impressions of an online ad. When an ad is served to a user, it’s counted as an impression. If an ad network charges you $1,000 for delivering 1 million impressions, your CPM is $1. A CPM model can be a good strategy if your campaign goal is to raise awareness of your brand. If your campaign goal is to increase user interaction with your brand or prompt users to take a specific action such as signing up for a loyalty program, a cost-per-click (CPC) model may be a better choice.

Building an Opt-In List, Building Relationships
If you aim for success, you must do everything within your means to achieve that. You just donít go on sitting there in your house complaining about not getting as much profit as you expect.