Simply put, digital marketing is the promotion of products or brands using electronic devices or the internet. It also includes text messaging, instant messaging, video, apps, podcasts, electronic billboards, digital television and radio channels, etc. Digital marketing uses multiple channels and technologies that allow an organization to analyze campaigns, content and strategy to understand what’s working and what isn’t – typically in real time.
A number of scholars and practitioners have argued that marketers have a greater social responsibility than simply satisfying customers and providing them with superior value. Marketing organizations that have embraced the societal marketing concept typically identify key stakeholder groups such as employees, customers, and local communities. Companies that adopt a societal marketing perspective typically practice triple bottom line reporting whereby they publish social impact and environmental impact reports alongside financial performance reports. Sustainable marketing or green marketing is an extension of societal marketing.
Personal selling involves an oral presentation given by a salesperson who approaches an individual or a group of potential customers. Personal selling allows for two-way communication and relationship building that can aid both the buyer and the seller in their goals. Personal selling is most commonly seen in business-to-business marketing (e.g.: selling machinery to a factory, selling paper to a print shop), but it can also be found in business-to-consumer marketing (e.g.: selling cars at a dealership). 
A content marketer, for example, can create a series of blog posts that serve to generate leads from a new ebook the business recently created. The company's social media marketer might then help promote these blog posts through paid and organic posts on the business's social media accounts. Perhaps the email marketer creates an email campaign to send those who download the ebook more information on the company. We'll talk more about these specific digital marketers in a minute.
For marketers trying to compete in this new digital medium, it’s incredibly difficult to surface your content above the competitive noise. While the amount of time consumers spend on web and mobile has increased dramatically, the amount of available content has increased exponentially. More digital content is created in a day than most people can consume in a year. With so many distractions and choices, your audience has a very short attention span.
Search engine marketing - Search engine marketing (SEM) is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) primarily through paid advertising. SEM may incorporate Search engine optimization, which adjusts or rewrites website content and site architecture to achieve a higher ranking in search engine results pages to enhance pay per click (PPC) listings.
Point-of-purchase marketing strategy includes placing your product where customers make the most purchase. You must have noticed that many small products are being placed near the cash counter. This is done intentionally so that people make an impulse purchase. In addition to this, you must have experienced cashier who tried to sell your product. This is another example of POP marketing.
Prioritizing clicks refers to display click ads, although advantageous by being ‘simple, fast and inexpensive’ rates for display ads in 2016 is only 0.10 percent in the United States. This means one in a thousand click ads are relevant therefore having little effect. This displays that marketing companies should not just use click ads to evaluate the effectiveness of display advertisements (Whiteside, 2016).
Selling: Determine where and how you plan to sell to customers. Consumer product companies, for example, sell to wholesalers who then sell to retailers. In the industrial market, the buying process is longer and involves more decision-makers. You may sell locally, nationally, or even internationally, and some companies only sell their products or services online. Your distribution and sales channels impact who buys your products, when they buy them, and how they buy them.
Market follower: Followers are generally content to play second fiddle. They rarely invest in R & D and tend to wait for market leaders to develop innovative products and subsequently adopt a “me-too” approach. Their market posture is typically neutral. Their strategy is to maintain their market position by maintaining existing customers and capturing a fair share of any new segments. They tend to maintain profits by controlling costs.
Key Ideas: Each business is unique and that there can be no formula for achieving competitive advantage; firms should adopt a flexible planning and review process that aims to cope with strategic surprises and rapidly developing threats; management's focus is on how to deliver superior customer value; highlights the key role of marketing as the link between customers and the organisation.
The kind of content you create depends on your audience's needs at different stages in the buyer's journey. You should start by creating buyer personas (use these free templates, or try makemypersona.com) to identify what your audience's goals and challenges are in relation to your business. On a basic level, your online content should aim to help them meet these goals, and overcome their challenges. What Is Digital Marketing? | Digital Marketing Tutorial For Beginners | Edureka