Digital marketing (also known as data-driven marketing) is an umbrella term for the marketing of products or services using digital technologies, mainly on the Internet, but also including mobile phones, display advertising, and any other digital medium.

A digital marketing agency is different from your traditional marketing agency in that they are typically focused on results-based marketing in the digital world. Measurable marketing and ROI is the name of the game. … A digital marketing agency is a brand-development and lead-generating engine.

Here they are; all the different types of digital marketing.
Search Engine Optimisation (SEO)
Pay Per Click Advertising (PPC)
Public Relations (PR)
Social Media Marketing.
Content Marketing.
Affiliate Marketing.
Viral Marketing.
Influences Marketing.

10 reasons why you may need a digital channel strategy?

1. Existing and start-up competitors will gain market share
2. You won’t know your online market share
3. You’re directionless
4. Digital marketing is not optimizing
5. Marketing strategies are not agile enough to catch up or stay ahead
6. You’re wasting money and time through duplication
7. Digital doesn’t have enough people/budget given its importance
8. You’re not integrated
9. You don’t know your online customers well enough
10. You don’t have a powerful online value proposition

Internet marketing, or online marketing, refers to advertising and marketing efforts that use the Web and email to drive direct sales via electronic commerce, in addition to sales leads from Web sites or emails.

A Definition of Digital Media Sales. Digital media sales can be defined as the selling of advertising space on digital platforms, such as websites, blogs, digital magazines, and other digital properties.

Defining Internet Marketing. Also called online marketing, it is the process of promoting a brand, products or services over the Internet. Its broad scope includes email marketing, electronic customer relationship management and any promotional activities that are done via wireless media