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Dictionary of Terms

Autoresponder: An autoresponder is a computer program that automatically answers e-mail sent to it. They can be very simple or quite complex. The first autoresponders were created within mail transfer agents that found they could not deliver an e-mail to a given address.

CPA Marketing: Cost Per Acquisition (CPA), otherwise known as Cost Per Action, is a form of affiliate marketing where advertisers pay for a specific form of acquisition or action to be taken. … CPA is simply a certain form of affiliate marketing.

Niche: A niche market is a focused, targetable portion of a market. By definition, then, a business that focuses on a niche is addressing a need for a product or service that is not being addressed by mainstream providers.

ROI: A profitability measure that evaluates the performance of a business by dividing net profit by net worth. Return on investment, or ROI, is the most common profitability ratio. There are several ways to determine ROI, but the most frequently used method is to divide net profit by total assets

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