The new digital era has enabled brands to selectively target their customers that may potentially be interested in their brand or based on previous browsing interests. Businesses can now use social media to select the age range, location, gender and interests of whom they would like their targeted post to be seen by. Furthermore, based on a customer's recent search history they can be ‘followed’ on the internet so they see advertisements from similar brands, products and services, This allows businesses to target the specific customers that they know and feel will most benefit from their product or service, something that had limited capabilities up until the digital era.
There are lots of ways you can optimize your digital marketing assets for mobile users, and when implementing any digital marketing strategy, it's hugely important to consider how the experience will translate on mobile devices. By ensuring this is always front-of-mind, you'll be creating digital experiences that work for your audience, and consequently achieve the results you're hoping for.
To overcome the deficiencies of the 4P model, some authors have suggested extensions or modifications to the original model. Extensions of the four P's are often included in cases such as services marketing where unique characteristics (i.e. intangibility, perishability, heterogeneity and the inseparability of production and consumption) warrant additional consideration factors. Other extensions have been found necessary for retail marketing, industrial marketing, and internet marketing
The 'marketing concept' proposes that to complete its organizational objectives, an organization should anticipate the needs and wants of potential consumers and satisfy them more effectively than its competitors. This concept originated from Adam Smith's book The Wealth of Nations but would not become widely used until nearly 200 years later. Marketing and Marketing Concepts are directly related.
Instead, you need your marketing team to do market research and answer some critical questions: Who's your target audience? Is there market fit for this product? What messaging will increase product sales, and on which platforms? How should your product developers modify the product to increase likelihood of success? What do focus groups think of the product, and what questions or hesitations do they have?
Whether it's a print ad design, mass customization, or a social media campaign, a marketing asset can be judged based on how effectively it communicates a company's core value proposition. Market research can be helpful in charting the efficacy of a given campaign and can help identify untapped audiences, in order to achieve bottom-line goals and increase sales.
Strategic analysis is designed to address the first strategic question, "Where are we now?"  Traditional market research is less useful for strategic marketing because the analyst is not seeking insights about customer attitudes and preferences. Instead strategic analysts are seeking insights about the firm's operating environment with a view to identifying possible future scenarios, opportunities and threats.
Understanding Mobiles: Understanding mobile devices is a significant aspect of digital marketing because smartphones and tablets are now responsible for 64% of the time US consumers are online (Whiteside, 2016). Apps provide a big opportunity as well as challenge for the marketers because firstly the app needs to be downloaded and secondly the person needs to actually use it. This may be difficult as ‘half the time spent on smartphone apps occurs on the individuals single most used app, and almost 85% of their time on the top four rated apps’ (Whiteside, 2016). Mobile advertising can assist in achieving a variety of commercial objectives and it is effective due to taking over the entire screen, and voice or status is likely to be considered highly; although the message must not be seen or thought of as intrusive (Whiteside, 2016). Disadvantages of digital media used on mobile devices also include limited creative capabilities, and reach. Although there are many positive aspects including the users entitlement to select product information, digital media creating a flexible message platform and there is potential for direct selling (Belch & Belch, 2012).
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.
Positioning concerns how to position a product in the minds of consumers and inform what attributes differentiate it from the competitor's products. A firm often performs this by producing a perceptual map, which denotes similar products produced in the same industry according to how consumers perceive their price and quality. From a product's placing on the map, a firm would tailor its marketing communications to meld with the product's perception among consumers and its position among competitors' offering. 
This refers to how the product gets to the customer; the distribution channels and intermediaries such as wholesalers and retailers who enable customers to access products or services in a convenient manner. This third P has also sometimes been called Place or Placement, referring to the channel by which a product or service is sold (e.g. online vs. retail), which geographic region or industry, to which segment (young adults, families, business people), etc. also referring to how the environment in which the product is sold in can affect sales.  5 Digital Marketing Skills to Master for 2020 & Beyond