Internet marketing ties together the creative and technical aspects of the Internet, including design, development, advertising, and sales. Internet marketing also refers to the placement of media along many different stages of the customer engagement cycle through search engine marketing (SEM), search engine optimization (SEO), banner ads on specific websites and email marketing.
Internet marketing is associated with several business models:
Lead-based websites: a strategy whereby an organization generates value by acquiring sales leads from its website. Similar to walk-in customers in retail world. These prospects are often referred to as organic leads.
Affiliate Marketing: a process wherein a product or service developed by one entity is sold by other active sellers for a share of profits. The entity that owns the product may provide some marketing material (e.g., sales letters, affiliate links, tracking facilities, etc.); however, the vast majority of affiliate marketing relationships come from e-commerce businesses that offer affiliate programs.