The Internet has brought media to a global audience. The interactive nature of Internet marketing in terms of providing instant responses and eliciting responses are the unique qualities of the medium. Internet marketing is sometimes considered to be broad in scope because it not only refers to marketing on the Internet, but also includes marketing done via e-mail and wireless media. Management of digital customer data and electronic customer relationship management (ECRM) systems are also often grouped together under internet marketing. Here’s an infographic I came across on flowtown.com.