Chapter 10
Digital, Social and Mobile Communication
Diploma in Marketing and Communication
Advertising, Sales Promotion & Public Relations
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Diploma
Digital, Social and Mobile Communication
Introduction
Digital communication has transformed advertising, sales promotion and public relations from largely one-way activities into continuous, measurable and interactive processes. A prospective customer may discover a brand through a search engine, watch a short video on a mobile device, read reviews in a social community, receive an email offer and complete a purchase through an application. Effective marketing communication therefore requires more than selecting individual platforms. It requires planning how channels, messages, data, technology and customer experiences work together.
Digital communication includes paid, owned and earned media. Paid media consists of advertising purchased from platforms or publishers. Owned media includes brand-controlled websites, applications, email lists and social pages. Earned media consists of publicity, reviews, sharing, recommendations and other unpaid exposure. Social media adds participation and community interaction, while mobile communication makes messages immediate, location-sensitive and highly personal.
This chapter explains how to plan search, display, video, social, influencer, content, email and mobile campaigns. It also examines platform selection, community management, social listening, programmatic advertising, attribution, omnichannel integration, ethics and emerging uses of artificial intelligence.
Learning objectives
By the end of this chapter, students should be able to:
Distinguish major digital, social and mobile communication channels.
Select platforms according to audience, objective, message and resources.
Design integrated campaigns using paid, owned and earned media.
Apply basic digital performance measures and interpret their limitations.
Explain community management, social listening, influencer marketing and programmatic advertising.
Plan email and mobile communication responsibly.
Evaluate attribution, privacy, ethics and omnichannel customer experience.
1. The digital communication environment
Traditional advertising often used a campaign model in which a message was created, placed in selected media and evaluated after exposure. Digital communication is more dynamic. Audiences can respond immediately, algorithms can alter delivery, and users can create content that affects brand reputation. The communication process is therefore cyclical:
insight → objective → audience and platform selection → content and offer → activation → interaction → measurement → optimisation
A campaign should begin with a communication or business problem, not with a fashionable platform. For example, a company seeking awareness among new customers may use online video and creator partnerships, whereas a company seeking high-intent demand may prioritise search advertising and landing-page optimisation.
Paid, owned and earned media
Media type
Examples
Main strengths
Typical risks
Paid
Search ads, display, sponsored social, programmatic video
Reach, targeting, speed and control
Cost, fraud, ad avoidance and poor placement
Owned
Website, blog, email, app, brand community
Control, continuity and first-party relationships
Requires content, maintenance and audience acquisition
The three categories should reinforce one another. A paid video may create awareness, owned content may answer questions, and earned reviews may reduce perceived risk. Treating them as isolated activities creates inconsistent messages and duplicated expenditure.
2. Campaign planning and platform selection
A professional digital plan normally contains the following decisions:
Situation and insight: What customer problem, market condition or communication gap exists?
Objective: What should change—awareness, consideration, trial, purchase, retention, advocacy or reputation?
Audience: Which people are relevant, and what are their needs, behaviours and media habits?
Value proposition: Why should the audience notice, believe and act on the message?
Channel role: What task will each channel perform in the customer journey?
Content and offer: What creative format, evidence, incentive and call to action are appropriate?
Budget and schedule: How will resources be allocated and delivery controlled?
Measurement: What indicators will demonstrate progress and business value?
Governance: Who approves content, responds to complaints, protects data and manages risk?
Choosing platforms
Platform selection should be based on strategic fit rather than user volume alone. Key questions include:
Is the target audience present and meaningfully active?
Does the platform support the required objective and format?
Can the organisation produce suitable content consistently?
Are targeting, measurement and brand-safety controls adequate?
Does the platform’s culture suit the brand?
Can activity connect with the website, customer relationship management system and offline channels?
What are the privacy, accessibility, cost and reputational implications?
A platform with a large audience may be unsuitable if the audience is not attentive, the content cannot be adapted to its conventions, or measurement is unreliable. Platform strategy should also avoid excessive dependence on a single intermediary whose algorithm, prices or policies may change.
3. Major digital campaign channels
Search communication
Search marketing reaches users when they express an information need. Search engine optimisation (SEO) improves unpaid visibility through relevant content, clear site structure, technical accessibility and credible links. Search engine marketing (SEM) uses paid placements triggered by keywords or other signals.
Search campaigns require keyword research, match and exclusion decisions, persuasive ad copy, landing pages and conversion tracking. High-intent searches often justify stronger calls to action, while informational searches may require educational content. Advertisers should avoid misleading claims, protect trademarks appropriately and ensure that landing pages deliver the promised experience.
Display advertising
Display advertising uses visual formats on websites, applications and digital services. It may support awareness, consideration or retargeting. Effective display creative is quickly understood, visually distinctive and designed for the screen size on which it appears. Retargeting can remind users about products they viewed, but excessive repetition creates annoyance and privacy concerns. Frequency controls, exclusion lists and transparent consent practices are therefore important.
Online video
Video can demonstrate a product, express emotion, explain a complex service or create a memorable brand association. Planning should consider viewing context, sound-off behaviour, duration, opening seconds, captions, accessibility and the relationship between video and landing page. A short mobile video should not simply be a reduced television commercial; it should be designed for vertical or square formats when appropriate and communicate the central idea early.
Social media
Social platforms combine publishing, advertising, conversation, recommendation and community formation. A social strategy should specify the role of each network, content pillars, publishing rhythm, response standards and escalation procedures. Common content pillars include education, demonstration, entertainment, proof, culture and customer participation.
Organic social content is valuable for continuity and interaction, but reach may be limited by algorithms. Paid social can extend reach and target defined audiences, yet targeting should not be treated as a substitute for relevant creative. Social content must respect platform rules, copyright, disclosure requirements and the rights of individuals shown in the content.
Influencer and creator communication
Influencer marketing uses people whose identity, expertise or community gives them communication value. Selection should consider audience relevance, credibility, engagement quality, brand fit, past conduct and disclosure practices—not follower count alone. A smaller specialist creator may be more persuasive than a celebrity for a technical or local product.
Contracts should define deliverables, usage rights, approval boundaries, exclusivity, payment, disclosure, data handling and procedures for misconduct or crisis. Sponsored relationships must be clearly disclosed in a way audiences can understand. Brands should permit authentic expression while setting factual and legal boundaries.
Content marketing
Content marketing creates and distributes useful, relevant material to attract and retain a defined audience. It may include articles, guides, webinars, podcasts, tools, case studies and user-generated content. Strong content solves a customer problem or helps the audience make a decision; it is not merely promotional language.
A content plan should map topics to customer needs and stages of the journey. Search data, customer-service questions, sales objections and social listening can identify useful topics. Content should have an owner, review date, evidence standard and distribution plan. Accessibility, plain language and accurate sourcing increase both usefulness and trust.
Email communication
Email remains valuable because an organisation can develop a permission-based relationship rather than rent attention in an auction. Common programmes include welcome sequences, newsletters, abandoned-cart messages, service notifications, replenishment reminders and retention offers.
Effective email depends on consent, relevance, deliverability and restraint. Subject lines should be clear rather than deceptive. Segmentation may use lifecycle stage, declared preference, purchase history or engagement, provided that data use is lawful and proportionate. Every commercial email should provide appropriate identification, an understandable unsubscribe mechanism and a method for managing preferences.
Mobile communication
Mobile communication includes mobile-optimised websites, applications, SMS, push notifications, mobile wallets, QR codes, location-based messages and in-app advertising. Mobile planning must account for small screens, intermittent attention, device permissions, network conditions and the personal nature of the device.
Push notifications and SMS are effective for urgent or useful information, but permission is easily withdrawn. Frequency limits, quiet hours, relevance and clear value are essential. Location-based marketing should use explicit permission and avoid implying knowledge that may make a person feel watched. Mobile landing pages should load quickly, minimise form fields and make the desired action easy to complete.
4. Community management and social listening
Publishing content is only one part of social communication. Community management involves monitoring comments and messages, answering questions, encouraging constructive participation and applying moderation rules. A response framework should classify interactions as:
routine information requests;
positive feedback and advocacy;
service complaints;
misinformation or confusion;
harassment, hate speech or threats; and
legal, safety or crisis issues.
Routine matters can be handled by trained staff. Complaints may require private resolution followed by a public acknowledgement. Safety, legal and crisis matters should be escalated according to a documented protocol. Deleting criticism merely because it is negative can damage trust; removal is more defensible when content violates clearly published rules.
Social listening systematically analyses public conversations, reviews and search behaviour to identify needs, sentiment, emerging issues and competitive signals. Sentiment tools can assist at scale but may misread sarcasm, dialect, context or mixed opinions. Human interpretation remains important. Listening is valuable only when insights lead to action—for example, changing a product explanation, correcting misinformation or identifying a developing service problem.
5. Programmatic advertising
Programmatic advertising uses software and automated processes to buy and deliver digital advertising. In real-time bidding, an impression may be evaluated and auctioned while a page or application loads. Other arrangements include private marketplaces, preferred deals and programmatic guaranteed purchases.
A simplified process is: advertiser defines audience and bid rules → publisher offers an impression → demand-side and supply-side systems evaluate the opportunity → an auction or agreement determines the buyer → the creative is delivered → exposure and outcome data are recorded.
Programmatic systems provide scale and optimisation, but they create risks involving opaque supply chains, invalid traffic, unsuitable content, privacy, frequency control and algorithmic bias. Good governance includes verified inventory, placement exclusions, fraud detection, viewability monitoring, frequency limits, transparent fees and independent measurement. Marketers should understand where advertisements appear, not merely the number of impressions purchased.
6. Measurement, metrics and attribution
Metrics should correspond to objectives. Awareness may use qualified reach, completed video views or brand-lift measures; consideration may use quality visits, content engagement or enquiries; conversion may use purchases, leads or applications; retention may use repeat purchase, churn or customer value.
Common rate measures include:
CTR = (C ÷ I) × 100
where CTR is click-through rate, C is clicks and I is impressions. Both numerator and denominator must refer to the same campaign and reporting period.
Conversion rate = (V ÷ S) × 100
where V is the number of defined conversions and S is the relevant set of sessions, clicks or visitors. The denominator must be stated because conversion rates based on clicks are not directly equivalent to rates based on sessions.
ROAS = R ÷ A
where R is attributed revenue and A is advertising spend. ROAS is a ratio, not a profit measure: it excludes many costs unless those costs are included in the chosen definition. Attribution should therefore not be confused with causation.
Worked example. A campaign generates 24,000 impressions, 720 clicks and 36 purchases. Its click-through rate is (720 ÷ 24,000) × 100 = 3%. If conversion rate is defined as purchases divided by clicks, it is (36 ÷ 720) × 100 = 5%. If attributed revenue is $4,500 and advertising spend is $1,500, ROAS is 4,500 ÷ 1,500 = 3.0, meaning $3 of attributed revenue per $1 of advertising spend. These figures do not prove that all 36 purchases were caused by the campaign; some customers may have converted through other influences.
Attribution approaches
Last interaction: assigns credit to the final recorded touchpoint. It is simple but often undervalues earlier influence.
First interaction: credits the first recorded touchpoint. It highlights discovery but ignores later persuasion.
Linear: distributes credit equally across recorded touchpoints.
Position-based: gives greater weight to selected first and last interactions.
Data-driven: uses observed patterns to estimate contribution, subject to data quality and model assumptions.
Incrementality testing: compares outcomes between exposed and control groups to estimate additional effect. This is often more useful for causal decisions, but it requires suitable experimental design.
Cookies, device changes, privacy restrictions, walled gardens and offline purchases make tracking incomplete. Organisations should use consented first-party data, clear definitions, consistent naming conventions and periodic experiments. A dashboard full of precise numbers is not necessarily accurate or strategically useful.
7. Omnichannel integration
Multichannel marketing uses several channels; omnichannel marketing coordinates them around a connected customer experience. Integration may involve consistent positioning, shared customer knowledge, coordinated timing, accessible creative assets, unified offers and connected service processes.
For example, a customer might see a social video, search for the product, visit a mobile site, receive an email containing saved information and complete purchase in a store. If each channel repeats irrelevant messages or offers conflicting prices, the experience becomes fragmented. Omnichannel planning should define channel roles, hand-offs, identity and consent rules, service ownership and measurement across the journey.
Omnichannel communication journey from awareness to loyalty
Figure: Omnichannel communication journey from awareness to loyalty
Figure: An integrated customer journey in which channels perform different but connected roles.
8. Ethics, privacy and governance
Digital communication creates responsibilities beyond legal compliance. Marketers should obtain valid consent where required, collect only necessary data, explain purposes clearly, protect information and respect withdrawal choices. Sensitive characteristics should not be used irresponsibly for exclusion or discriminatory targeting. Children and vulnerable groups require heightened care.
Important governance issues include:
transparency about sponsorship, personalisation and automated decision-making;
truthful claims, identifiable advertising and responsible use of testimonials;
accessibility for people with disabilities;
copyright, music, image and creator-rights compliance;
brand safety and avoidance of harmful or extremist environments;
security of customer and campaign data;
human review of automated recommendations and generated content.
Artificial intelligence can support audience insight, copy variation, translation, creative testing, customer-service triage and predictive modelling. It can also reproduce bias, invent facts, expose confidential information or produce content without appropriate rights. Human accountability, approved data sources, disclosure policies, quality checks and clear escalation remain necessary.
Illustrative case: GreenCup’s integrated launch
Background
GreenCup, a fictional regional company selling reusable coffee cups, plans to launch an insulated cup aimed at commuters aged 20–40. Its previous activity generated social engagement but few measurable sales.
Problem
The company used the same message on every platform, had no agreed conversion definition and responded slowly to complaints about delivery. It also relied on last-click reporting, which undervalued video and creator activity.
Analysis
Customer research showed three barriers: uncertainty about leak resistance, concern about cleaning, and a belief that reusable products were inconvenient. Search data indicated strong intent around “leakproof commuter cup,” while social conversations revealed interest in sustainability but scepticism about exaggerated environmental claims.
Approach
GreenCup established the objective of generating qualified trial while improving product understanding. Its channel roles were:
short vertical videos demonstrating leak testing and cleaning;
search ads and SEO content answering practical product questions;
partnerships with three credible commuter and sustainability creators;
a mobile landing page with specifications, reviews and store availability;
permission-based email for product education and a limited launch offer;
social listening and a published response protocol for delivery and quality issues.
The company used unique campaign identifiers, defined a purchase as the primary conversion and monitored assisted interactions separately from final clicks. It capped retargeting frequency, excluded unsuitable placements and required clear creator disclosures. Customer-service staff received product facts and escalation guidance.
Outcome
In the first month, the campaign produced 18,000 landing-page visits, 900 purchases and $36,000 in attributed revenue from $12,000 advertising spend. The campaign-level ROAS was therefore 36,000 ÷ 12,000 = 3.0. Qualitative feedback showed that demonstration content reduced uncertainty more effectively than generic sustainability claims. The company did not treat the ratio as proof of total profitability; fulfilment, product and service costs were assessed separately. A follow-up holdout test was planned to estimate incremental sales.
Learning points
The case illustrates that channel roles should reflect customer barriers, content should provide evidence, and measurement definitions must be agreed before activation. Community management and service integration are part of communication quality, not peripheral activities. Finally, attribution should guide learning rather than create false certainty.
Challenges and best practices
Digital campaigns face rising media costs, fragmented attention, algorithmic change, platform dependency, fraudulent activity, privacy restrictions, misinformation and creative fatigue. Organisations can respond by:
starting with customer and business problems rather than platform trends;
assigning a clear role and success measure to each channel;
designing mobile-first, accessible and platform-appropriate creative;
building consented first-party relationships without abusing data;
using testing, control groups and qualitative feedback where possible;
monitoring placement quality, frequency, sentiment and service outcomes;
documenting approvals, disclosures, escalation and crisis procedures;
maintaining a diversified channel portfolio;
reviewing automated tools for accuracy, bias, privacy and rights; and
treating learning and customer trust as long-term assets.
Chapter Summary
Digital, social and mobile communication requires coordinated planning across paid, owned and earned media. Search captures expressed intent; display and video can build awareness; social platforms support publishing and participation; influencers provide community-based credibility; content answers customer needs; email develops permission-based relationships; and mobile channels deliver immediate, contextual experiences.
Effective platform selection depends on audience, objective, message, capability, measurement and governance. Community management and social listening connect communication with customer service and reputation management. Programmatic advertising provides scale but requires controls for privacy, fraud, suitability and transparency. Metrics such as CTR, conversion rate and ROAS are useful only when their definitions and limitations are understood. Attribution describes credit allocation, whereas incrementality seeks evidence of causal effect.
Omnichannel integration connects customer experiences across devices and physical or digital touchpoints. Ethical practice requires consent, transparency, accessibility, truthful communication, responsible targeting and human accountability for automated systems. The strongest campaigns combine creative relevance, operational coordination, disciplined measurement and respect for the people they address.
Key Terms
Attribution: The process of assigning credit for an outcome to one or more marketing interactions.
Community management: The planned monitoring, moderation and response to interactions in a brand community.
Conversion rate: The percentage of a defined audience or interaction group that completes a specified conversion.
Earned media: Unpaid exposure generated by publicity, recommendations, reviews or sharing.
First-party data: Information collected directly by an organisation through consented interactions with its audience or customers.
Influencer marketing: Communication conducted through a person whose audience, expertise or identity provides persuasive reach.
Incrementality: The additional outcome caused by a marketing activity compared with an appropriate baseline or control.
Mobile marketing: Communication delivered through mobile devices, applications, messaging or mobile-optimised experiences.
Omnichannel marketing: Coordinated communication and customer experience across connected channels and touchpoints.
Owned media: Channels controlled by an organisation, such as its website, email programme or application.
Paid media: Media exposure purchased from platforms, publishers or other media owners.
Programmatic advertising: Software-enabled buying, selling and delivery of digital advertising inventory.
Reach: The number or proportion of distinct people exposed to a message or campaign.
Retargeting: Serving follow-up communications to people who previously interacted with a brand or digital property.
Search engine marketing: Paid search advertising intended to appear in response to relevant queries.
Search engine optimisation: Practices designed to improve unpaid visibility in search results.
Social listening: Systematic monitoring and interpretation of public conversations and signals relevant to an organisation.
User-generated content: Content created by customers or other members of the public rather than by the brand itself.
Review Questions
Short Answer Questions
What is the difference between paid, owned and earned media?
Identify two factors that should influence platform selection.
What is the purpose of a community-management escalation protocol?
Why is ROAS not the same as profit?
Define social listening.
Long Answer Questions
Explain how search, display, video, social and content channels can perform different roles in one campaign.
Discuss the planning requirements for a responsible influencer-marketing programme.
Explain the main attribution approaches and their limitations.
Describe how an organisation can integrate email, mobile, website and physical-store experiences.
Evaluate the ethical and governance issues associated with programmatic advertising and artificial intelligence.
Analytical / Application Questions
A local retailer has strong awareness but few online purchases. Design a three-channel digital campaign, assigning a role, audience, message and measure to each channel.
A brand receives a rapidly spreading complaint about a defective product on social media. Analyse the appropriate community-management, listening, service and public-relations response.
A campaign records 50,000 impressions, 1,000 clicks, 80 purchases, $8,000 in revenue and $2,000 in advertising spend. Calculate CTR, click-to-purchase conversion rate and ROAS, then explain two reasons why the results do not establish causal impact.
Multiple Choice Questions with Answers
Question 1
Which media category includes a brand’s website, email database and mobile application?
A. Paid media
B. Owned media
C. Earned media
D. Programmatic media
Correct Answer: B. Owned media
Question 2
A campaign receives 500 clicks from 20,000 impressions. What is its click-through rate?
A. 0.25%
B. 2.5%
C. 4%
D. 25%
Correct Answer: B. 2.5%
Question 3
Which approach is most suitable for estimating whether advertising caused additional conversions?
A. Last-click attribution alone
B. Counting impressions only
C. A controlled incrementality test
D. Increasing the frequency cap
Correct Answer: C. A controlled incrementality test
Question 4
What is the primary purpose of social listening?
A. To replace all customer-service staff
B. To identify and interpret relevant public conversations
C. To guarantee positive sentiment
D. To purchase television inventory
Correct Answer: B. To identify and interpret relevant public conversations
Question 5
Which practice best supports responsible influencer marketing?
A. Selecting creators only by follower count
B. Hiding the commercial relationship
C. Using clear sponsorship disclosure and defined contracts
D. Allowing unsupported product claims
Correct Answer: C. Using clear sponsorship disclosure and defined contracts
Question 6
Programmatic advertising is best described as:
A. Manual distribution of printed advertisements
B. Software-enabled buying and delivery of digital advertising
C. Unpaid customer recommendations
D. A method limited to email newsletters
Correct Answer: B. Software-enabled buying and delivery of digital advertising
Question 7
A campaign generates $12,000 in attributed revenue from $4,000 advertising spend. What is its ROAS?
A. 0.3
B. 3.0
C. 8.0
D. 16.0
Correct Answer: B. 3.0
Question 8
Which feature most clearly distinguishes omnichannel from simple multichannel marketing?
A. Use of only one platform
B. Coordination of customer experience across channels
C. Avoidance of mobile communication
D. Reliance exclusively on paid media
Correct Answer: B. Coordination of customer experience across channels
Question 9
Why should retargeting use frequency controls?
A. To ensure every impression is purchased twice
B. To reduce excessive repetition and audience annoyance
C. To eliminate the need for consent
D. To prevent all search activity
Correct Answer: B. To reduce excessive repetition and audience annoyance
Question 10
Which is an appropriate use of artificial intelligence in digital communication?
A. Publishing generated claims without review
B. Using confidential data in an unapproved public tool
C. Supporting creative variation with human quality and rights checks
D. Removing all human accountability
Correct Answer: C. Supporting creative variation with human quality and rights checks
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