Principles of Marketing – Chapter 17: Direct, Online, Social & Mobile Marketing I Philip Kotler

Direct marketing is a form of marketing in which businesses communicate directly with customers through a variety of channels, including mail, telephone, and email.

Online marketing is the marketing of products or services over the Internet.

Social marketing is the application of marketing techniques to promote social good.

Mobile marketing is the marketing of products or services using mobile devices, such as smartphones and tablets.