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
Want to get the word out there and boost your visibility on social media without taking years to build the audience? Then you should certainly leverage influencers. But the key is to find the right influencer. You don't have to go with influencers with millions of followers. You could opt for micro-influencers with tens of thousands or even a hundred thousand followers.
Growing a business isn't easy. First, you need a viable idea. From there, you need to discover a profitable niche, define a target demographic and have something of value to sell them. Whether you're peddling products, services or information, getting the word out has become increasingly burdensome. And without the right marketing strategies to fuel your growth, churning a profit and staying afloat is virtually impossible.
Strategic planning typically begins with a scan of the business environment, both internal and external, this includes understanding strategic constraints. An understanding of the external operating environment, including political, economic, social and technological which includes demographic and cultural aspects, is necessary for the identification of business opportunities and threats. This analysis is called PEST; an acronym for Political, Economic, Social and Technological. A number of variants of the PEST analysis can be identified in literature, including: PESTLE analysis (Political, Economic, Social, Technological, Legal and Environmental); STEEPLE (adds ethics); STEEPLED (adds demographics) and STEER (adds regulatory).
^ , Blackwell Reference, Kotler, P., "What consumerism means for marketers", Harvard Business Review, vol. 50, no. 3, 1972, pp. 48–57; Wilkie, W.L. and Moore, E.S., "Macromarketing as a Pillar of Marketing Thought," Journal of Macromarketing, Vol. 26 No. 2, December 2006, pp. 224–32 doi:10.1177/0276146706291067; Wilkie, W.L. and Moore, E.S., "Scholarly Research in Marketing: Exploring the "4 Eras" of Thought Development," Journal of Public Policy and Marketing, Vol. 22, No. 2, 2003, pp. 116–46
The functional level relates to departments within the SBUs, such as marketing, finance, HR, production, etc. The functional level would adopt the SBU's strategy and determine how to accomplish the SBU's own objectives in its market. To use the example of the sports goods industry again, the marketing department would draw up marketing plans, strategies and communications to help the SBU achieve its marketing aims.
Regardless of who is being marketed to, several factors, including the perspective the marketers will use. These market orientations determine how marketers will approach the planning stage of marketing. This leads into the marketing mix, which outlines the specifics of the product and how it will be sold. This can in turn be affected by the environment surrounding the product , the results of marketing research and market research, and the characteristics of the product's target market.
During decline, demand for a good begins to taper off, and the firm may opt to discontinue the manufacture of the product. This is so, if revenue for the product comes from efficiency savings in production, over actual sales of a good/service. However, if a product services a niche market, or is complementary to another product, it may continue the manufacture of the product, despite a low level of sales/revenue being accrued. 
The rise of social media platforms has increased the importance of social media marketing, including connecting with customers on social media by persuading them to follow your business, partnering with social media influencers through product placement or paid sponsorships, and paying for advertising on platforms like Facebook or Instagram. The types of advertising that you choose will depend on your budget, type of business, and the preferences of your ideal customers. HOW MUCH WILL I EARN AS A DIGITAL MARKETER? | Q&A | All about Marketing
Influencer marketing: Important nodes are identified within related communities, known as influencers. This is becoming an important concept in digital targeting. Influencers allow brands to take advantage of social media and the large audiences available on many of these platforms. It is possible to reach influencers via paid advertising, such as Facebook Advertising or Google Adwords campaigns, or through sophisticated sCRM (social customer relationship management) software, such as SAP C4C, Microsoft Dynamics, Sage CRM and Salesforce CRM. Many universities now focus, at Masters level, on engagement strategies for influencers.
Now imagine you had that brochure on your website instead. You can measure exactly how many people viewed the page where it's hosted, and you can collect the contact details of those who download it by using forms. Not only can you measure how many people are engaging with your content, but you're also generating qualified leads when people download it.
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.
In-game advertising - In-Game advertising is defined as "inclusion of products or brands within a digital game." The game allows brands or products to place ads within their game, either in a subtle manner or in the form of an advertisement banner. There are many factors that exist in whether brands are successful in their advertising of their brand/product, these being: Type of game, technical platform, 3-D and 4-D technology, game genre, congruity of brand and game, prominence of advertising within the game. Individual factors consist of attitudes towards placement advertisements, game involvement, product involvement, flow or entertainment. The attitude towards the advertising also takes into account not only the message shown but also the attitude towards the game. Dependent of how enjoyable the game is will determine how the brand is perceived, meaning if the game isn't very enjoyable the consumer may subconsciously have a negative attitude towards the brand/product being advertised. In terms of Integrated Marketing Communication "integration of advertising in digital games into the general advertising, communication, and marketing strategy of the firm" is an important as it results in a more clarity about the brand/product and creates a larger overall effect. Digital Marketing for Beginners: 7 Strategies That Work