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). 
Display advertising - As the term implies, online display advertising deals with showcasing promotional messages or ideas to the consumer on the internet. This includes a wide range of advertisements like advertising blogs, networks, interstitial ads, contextual data, ads on the search engines, classified or dynamic advertisement etc. The method can target specific audience tuning in from different types of locals to view a particular advertisement, the variations can be found as the most productive element of this method.
The product aspects of marketing deal with the specifications of the actual goods or services, and how it relates to the end-user's needs and wants. The product element consists of product design, new product innovation, branding, packaging, labeling. The scope of a product generally includes supporting elements such as warranties, guarantees, and support. Branding, a key aspect of the product management, refers to the various methods of communicating a brand identity for the product, brand, or company. 
Place refers to the distribution of the product. Key considerations include whether the company will sell the product through a physical storefront, online, or through both distribution channels. When it's sold in a storefront, what kind of physical product placement does it get? When it's sold online, what kind of digital product placement does it get?
Digital Marketing Channels are systems based on the Internet that can create, accelerate, and transmit product value from producer to a consumer terminal, through digital networks. Digital marketing is facilitated by multiple Digital Marketing channels, As an advertiser one's core objective is to find channels which result in maximum two-way communication and a better overall ROI for the brand. There are multiple digital marketing channels available namely;
Know your products. Spend time articulating the benefits of your products in addition to the features. How will they make a difference in someone's life? Why does that matter to your customers? The most effective marketing speaks to the emotions of consumers, and that connection is created when you can articulate the benefit your business provides.
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.  4 Principles of Marketing Strategy | Brian Tracy
As the study of marketing became more prevalent throughout the 20th century, large companies—particularly mass consumer manufacturers—began to recognize the importance of market research, better product design, effective distribution, and sustained communication with consumers in the success of their brands. Marketing concepts and techniques later moved into the industrial-goods sector and subsequently into the services sector. It soon became apparent that organizations and individuals market not only goods and services but also ideas (social marketing), places (location marketing), personalities (celebrity marketing), events (event marketing), and even the organizations themselves (public relations).
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.
If you have lots of connections on LinkedIn and you're not really posting on there, start immediately. You can reach a large audience, especially when your posts go viral. This is a great place to convey the entrepreneurial journey. Talk about your challenges and tell stories. The more effective your stories, the larger your potential reach when you go viral.
A sales orientation focuses on the selling/promotion of the firm's existing products, rather than developing new products to satisfy unmet needs or wants. This orientation seeks to attain the highest possible sales through promotion and direct sales techniques. The sales orientation "is typically practiced with unsought goods." One study found that industrial companies are more likely to hold a sales orientation than consumer goods companies. The approach may also suit scenarios in which a firm holds dead stock, or otherwise sells a product that is in high demand, with little likelihood of changes in consumer tastes diminishing demand.
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. How To Get Into Digital Marketing (And Earn A Full-Time Income With It)