Digital marketing, which first emerged in the early 21st century, is a sales promotion strategy that makes use of computer technology and the Internet. The two primary types of digital marketing are known as "pull" and "push," and each has its own set of benefits and drawbacks. Digital marketing is advertising for people who use and benefit from electronic devices like personal computers, smart phones, mobile phones in general, tablet computers, and game consoles. Applied advances or stages for computerized advertising, like sites, messages, applications and informal communication destinations.