Business conducted over the Internet, usually involving the online promotion and sale of goods and services. Products can be either durable goods or digital products that can be purchased and downloaded immediately

Earned rate

The advertising rate that is actually paid by the advertiser after discounts and other calculations.

Effective frequency

Level or range of audience exposure that provides what an advertiser considers to be the minimal effective level, and no more than this optimal level or range; also called "effective reach".