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Machine learning in marketing:
use cases, examples & challenges

April 8, 2025

The state of ML & AI in marketing

75%

of marketing organizations have fully implemented artificial intelligence or are experimenting with it

Salesforce

80%

of organizations adopting AI in marketing aim to reduce time spent on repetitive tasks

Marketing AI Institute

92%

of marketers surveyed reported that AI has already impacted their role

HubSpot

40%

the potential increase in enterprise marketing productivity by 2029 thanks to GenAI adoption

IDC

Top ML use cases in marketing

Customer segmentation & ad targeting

Advanced marketing software typically uses machine learning algorithms to cluster customers into multiple segments based on shared characteristics, such as demographic (age, gender, etc.), psychographic (lifestyle, interests, etc.), geographic (country, region, etc.) and behavioral (purchase patterns, social media interactions, browsing history, etc.) data. After segmentation, the company can target each customer with personalized marketing messages promoting the service or product best suited to their segment to maximize the chances of engagement.

An alternative type of targeting, contextual advertising, involves displaying ads on websites based on their content rather than visitors’ personal traits. ML-powered marketing applications and advertising services can scan each webpage for specific keywords to identify its main topic and place ads with similar themes to each one. This can be a valid option to show relevant ads if visitors haven't consented to the use of cookies.

Popularized by ecommerce platforms like Amazon and streaming services like Netflix, ML-based recommendation systems are powerful engines providing users with tailored product or content suggestions based on their browsing behavior, purchase history, product reviews, and other details. This helps customers navigate massive online catalogs and find the items they need, while allowing the adopters to increase sales and average order value.

Recommender engines are typically divided into three classes depending on the approach they take to provide recommendations. Systems adopting collaborative filtering suggest items purchased and rated positively by other users with comparable buying patterns. Engines using content-based filtering, on the other hand, recommend products similar to those already purchased by the customer in the past. Finally, hybrid systems combine the previous approaches to deliver personalized user experiences.

Marketing automation

This concept refers to a set of tools and technologies, including machine learning (mostly natural language processing), deployed to help marketing departments streamline customer interactions and manage time-consuming tasks. AI agents (mostly AI chatbots and virtual assistants) represent some of its major applications.

Marketers can use conversational AI solutions to gather personal information and customer feedback from website visitors and proactively engage them with automated and personalized messages (offers, product recommendations, reminders, etc.). Companies can also rely on advanced chatbots powered by generative AI to quickly create emails, landing pages, and other copy at scale. Today’s popular CRM platforms, such as Salesforce and Microsoft Dynamics 365, feature chatbots and virtual assistants for customer engagement and content generation.

Content optimization

With the help of ML-powered solutions, content marketers can make their blog posts, case studies, and other materials more appealing to both their target audience and search engines. These tools analyze competitor content and search trends to identify popular topics and provide relevant content ideas, as well as suggest optimal keyword placement and headings to improve ranking and boost traffic. Content optimization can even happen in real time, with machine learning systems dynamically adapting page layouts and topic coverage based on customer behavior (such as browsing patterns) and personal data (including reading preferences).

Marketing analytics

The advanced data analysis capabilities unlocked by machine learning prove extremely useful when it comes to tracking the performance of email marketing campaigns or other initiatives. ML solutions can easily identify key factors impacting your marketing KPIs and highlight potential optimization opportunities, for instance, to recommend more effective email send times and pre-headers.

At the same time, ML systems can analyze the role of different marketing channels (websites, social media, etc.), touchpoints (ads, blog posts, etc.), and advertising services (Google Ads, Meta Ads, etc.) throughout the customer journey, helping prioritize the most impactful ones for optimal marketing budget allocation.

Predictive customer analytics

Machine learning has long found its way into customer analytics, thanks to the ability of ML algorithms to predict future business outcomes based on historical data (clients’ past interaction, purchasing habits, etc.). An example of ML for predictive modeling is customer lifetime value prediction. ML systems can forecast the total monetary value of each customer’s purchases throughout their relationship with your company, helping your marketing and sales teams prioritize high-value clients and engage them with regular communications.

Another popular application of ML in predictive analytics for marketing is churn prediction, which involves identifying customers at risk of ceasing to use your products or services to target them with tailored retention initiatives, such as personalized offers and coupons.

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Real-life examples of ML adoption in marketing

An event sponsorship valuation company teamed up with Itransition to develop a brand recognition system powered by neural networks. The machine learning solution can identify logos in sports-related images, such as photographs from tournaments, and generate reports detailing logo size, quantity, location (billboards, sports uniforms, etc.), and other metrics. This enables sporting event organizers and marketing agencies to assess brand performance and optimize their ad campaigns.

Brand analytics image

Image title: Configuring the brand recognition process
Data source: itransition.com — An ML solution for brand analytics and reporting

Salesforce-based experience personalization for a Hawaiian resort

Luxury resort Turtle Bay partnered with market-leading CRM platform Salesforce to deliver personalized experience recommendations powered by Einstein, Salesforce’s built-in AI. The company adopted a combination of Salesforce products, including Data Cloud to gather guest data (booking history, resort interactions, etc.) and create customer segments, along with Marketing Cloud Personalization to suggest the best adventures for each guest. For instance, website visitors that book a certain activity via the guest console are offered personalized content promoting a snorkeling session or an excursion depending on their preferences. Thanks to Salesforce adoption, Turtle Bay Resort achieved a 40% increase in customer engagement.

Video title: Salesforce Einstein Personalization Demo
Data source: salesforce.vidyard.com

ML-driven customer engagement for a Taiwanese media outlet

CommonWealth, one of Taiwan’s largest media outlets, implemented an ML-powered platform by Appier that helps brands increase customer engagement and acquisition. Appier’s machine learning model analyzes how visitors interact with CommonWealth’s website and application to derive accurate reader profiles in real time. Combining this data with additional information retrieved from the company’s CRM system, the platform delivers dynamically personalized ads. For instance, Appier’s AI engine managed to increase an ad’s CTR sixfold and reduce bounce rate by 30% simply by optimizing keywords.

Customer engagement image
Customer engagement image

Image title: Appier’s platform in action
Data source: appier.com — Aixon. Connect your data & predict user actions

Automated content generation for a financial advisory firm

A division of investment advisory firm Vanguard aimed to effectively engage clients looking for a retirement plan sponsor. Since this industry is highly regulated, the company could reach potential clients through a limited number of channels, such as LinkedIn. Vanguard turned to Persado to make marketing messages more personalized at scale. Persado’s ML-based platform uses NLP to determine the tone of voice of a brand’s content. It then tracks how customers respond to various marketing messages, builds individual emotional profiles, and generates a hyper-personalized copy that will resonate with each client. Thanks to the solution, Vanguard was able to increase its division’s conversion rates by 15%.

Content generation image

Image title: Persado Motivation AI framework
Data source: persado.com — Persado Motivation AI Platform

Ad personalization for a major US pharmacy chain

Walgreens, the second-largest drugstore chain in the United States, adopted Clinch’s AI-powered ad personalization platform to drive traffic during allergy season. Since weather and pollen counts are a major trigger for allergies, Walgreens wanted to advertise its products when customers needed them most. Based on user locations and weather data, consumers in a specific area were targeted with dynamic ads and given a coupon for allergy medications. Based on local time, weather, user data and other parameters, Clinch’s machine learning-based platform personalized 160 ad variations based on location. As a result, Walgreens saw a 276% increase in CTR and a 64% decrease in cost per click.

Image title: Weather-triggered advertising for Walgreens
Data source: clinch.co — Walgreens Provides Allergy Solutions Through Data-Driven Campaign

Benefits of machine learning in marketing

Decreased costs

With ML-enabled marketing automation, companies can reduce operational costs and free marketers’ time for more value-added tasks.

Enhanced customer experience

Machine learning allows companies to generate more accurate consumer profiles, deliver personalized offerings at scale, and therefore increase customer satisfaction and loyalty.

Business risk mitigation

The predictive capabilities of machine learning systems help companies anticipate emerging risks, such as customer churn, and respond accordingly.

Accelerated revenue growth

Digital marketing specialists can leverage ML solutions to better assess customer needs and launch more effective ad campaigns, driving sales and achieving greater ROI.

Challenges of ML adoption in marketing

Challenge

Potential solution

Data quality & accessibility
Machine learning models require vast amounts of data for training. Therefore, it could be a challenge to ensure that data from different sources, including sales management, marketing automation, and social media solutions, is accurate and easily accessible for analysis.

To ensure ML solutions have access to loads of high-quality and relevant data, you can implement several best practices:

  • Gather data from all your sales and marketing activities in one place. CRM systems can be an excellent tool to consolidate this information and get a 360-degree customer view.
  • Get a consultation from ML experts on how to guarantee your data accuracy and consistency and set up data warehouses to properly cleanse and store data for ML model training.
  • Consider adopting cloud data integration services that provide ETL capabilities and pre-built integrations to facilitate data management tasks.
Lack of expertise
Leveraging machine learning for marketing purposes requires skilled ML and data science professionals. However, not all companies have such expertise in-house.

Mitigating the shortage of required expertise will require investments for:

  • Hiring ML specialists and data scientists with marketing experience and upskilling your in-house marketers with ML-oriented retraining programs.
  • Licensing AI/ML services from cloud providers, which typically include user-friendly features like self-service data preparation and no-code model building to facilitate ML adoption even for staff without in-depth technical expertise.
  • Outsourcing your ML implementation project to external IT service providers and appointing a stakeholder from your side involved in the project.
ML model reliability
Complex ML models can generate hard-to-interpret results. An unexplainable logic behind the solution’s reasoning (the so-called black box problem) can impede trust and further technology acceptance.

To ensure accuracy, interpretability, and transparency of the results provided by your ML solution, you can:

  • Use performance metrics like mean squared error to assess ML model operation, explain potential bias and inaccuracies, and identify areas for improvement.
  • Always have your specialists review ML system output for more effective decision-making.
  • Perform regular model retraining iterations with fresh data to update it in line with evolving operational scenarios (new products, different market conditions, etc.).
Security & compliance
Marketing solutions, especially those powered by a data-driven technology like ML, typically store and analyze a large amount of personal information. This makes them ideal targets for cyber attacks and can raise concerns among policymakers and customers.

To mitigate cyber exposure and prevent customer data misuse that can result in fines and reputational damage, you should:

  • Train your ML model with data sets anonymized through masking techniques to ensure the confidentiality of sensitive information.
  • Make sure your ML-based marketing solution complies with applicable data security regulations, such as the GDPR, and incorporates protection mechanisms like data encryption.
  • Implement data governance policies and procedures establishing how data should be stored, accessed, and shared across your company.
Accordion image

Our team of consultants offers expert advisory to streamline your ML project, address emerging technical challenges, and maximize the adoption benefits of your ML-powered marketing solution.


  • Use case identification
  • Existing ML solution assessment
  • Data mapping and quality audit
  • Software architecture design
  • Tech stack selection
    (ML algorithms, frameworks, etc.)
  • Project roadmapping and budgeting
  • Risk management strategy outline
  • Development process supervision
  • User training and support

We provide experienced ML developers and dedicated teams or handle your ML project end-to-end to help you build advanced marketing software and other solutions tailored to your business needs.


  • ETL pipeline setup
  • Data preprocessing (cleansing, annotation,
    transformation)
  • Data protection and cybersecurity elaboration
  • ML algorithm selection and ML model training
  • Front-end and back-end development
  • Software integration
  • QA and testing
  • Deployment to production
  • Post-launch support and modernization

Looking for a ML implementation partner?

Turn to Itransition

Augment your marketing operations with ML

Marketing has always been about establishing meaningful connections with customers. While banking on technology to effectively interact with other humans can sound counterintuitive, machine learning has proved an invaluable asset in delivering engaging customer experiences at scale. Indeed, a growing number of companies are using machine learning's automation and analytics capabilities to support their marketing efforts and make more data-driven decisions.

Turn to Itransition’s engineers to harness the power of machine learning and increase customer engagement, attract more leads, and improve your company’s bottom line.

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