Digital marketing is an umbrella term for the targeted, measurable, and interactive marketing of products or services using digital technologies to reach and convert leads into customers and retain them.
The key objective is to promote brands, build preference, engage with customers and increase sales through various digital marketing techniques. It is embodied by an extensive selection of service, product, and brand marketing tactics, which mainly use the Internet as a core promotional medium, in addition to mobile and traditional TV and radio
Source: Digital marketing. (2016, April 2). In Wikipedia, The Free Encyclopedia. Retrieved 15:33, April 3, 2016, from https://en.wikipedia.org/w/index.php?title=Digital_marketing&oldid=713156229