Jun 17, 2025 6 min read

The Ethics of Microtargeting

The Ethics of Microtargeting

Microtargeting has become a core part of how businesses, political campaigns, and even social causes reach you.

It’s everywhere – from ads on your social media feed to campaign messages that feel like they were written just for you. But microtargeting raises some big ethical questions, especially about privacy and manipulation.

Where should the line be drawn between targeting ads to people’s interests and invading their privacy? Let’s take a closer look at the role of microtargeting and its impact on privacy, democracy, and what it means for society.

What is Microtargeting and How Does it Work?

Microtargeting is a strategy that uses data about your preferences, behaviors, and interests to show you highly personalized messages or advertisements.

This works by analyzing your online activities, like the websites you visit, the pages you follow, and even the comments you make.

The data collected is processed and analyzed to create a digital profile of you, which can predict your preferences and habits.

When an ad appears on your screen that feels almost eerily relevant, it’s probably thanks to microtargeting. This technique helps marketers and political strategists deliver messages that are more likely to resonate with you based on your unique profile. While this can make ads more useful, it can also feel invasive.

How Political Campaigns Use Microtargeting

In the 2012 presidential campaign, president Obama’s staff created a smartphone application called “Obama for America.” This app was designed to micro-target potential individuals who would vote for Obama. When someone used the app they could send a link to their friends. Then the Obama campaign would use that data, along with their own internal model, to identify new supporters.

The success of this app did not go unnoticed. So in 2014 a company named Cambridge Analytica created a personality test that users could install in their Facebook accounts. Around 270,000 people took the test. When people installed the app, it also gathered information about all of their Facebook friends. In the end, the company was able to gather profile information on about 30 million users.

Cambridge Analytica used these profiles to micro-target users based on their potential support for political causes. These ads were designed to persuade people to support Brexit in the United Kingdom, and the campaigns of both Ted Cruz and Donald Trump in the United States.

People who supported Cambridge Analytica were quick to point out that they were basically using the same technique as the Obama campaign.

So let’s think about some of the data ethics issues around micro-targeting. In the end it’s true that the data from both these systems looked very similar. They both tried to identify supporters as well as others who might be persuaded to support certain causes.

Keep in mind that many businesses also use micro-targeting. In fact, almost all of the ad revenue that Google and Facebook bring in rely on some form of micro-targeting.

So it seems like there’s a few questions here. The first deals with data provenance. Data provenance describes what technique you use to actually gather data. So does the data’s provenance have an impact on whether or not it’s used for micro-targeting?

Remember that the Obama app was clearly labeled as “Obama for America.” If you use the app you could reasonably expect that the campaign would use your data.

On the other hand, the Cambridge Analytica app was a personality quiz. There was no way for the user to know that this data was used to micro-target them for political issues.

So from an ethical perspective do you think that matters? If you look at this through the lens of deontology, the Cambridge Analytica team acted unethically. They used people as a means to an end. But they might argue that they acted ethically under utilitarianism. They were simply giving the best message to the people who were most interested. The ends justifies the means.

The second question to think about is whether you should treat political campaigns in a different way than buying products? The Cambridge Analytica team might argue that Facebook users should expect to share most of their information. In a sense using Facebook is a contract to share your data in exchange for the free service.

But under contractualism you need some shared understanding. So you could argue that if Facebook users don’t know they’re sharing the data, then it’s not a real contract.

Micro-targeting is being used more-and-more in both products and political campaigns. So be sure to have these difficult conversations before you start gathering your user data.

Is Microtargeting Ethical?

On one hand, microtargeting can be ethical when it’s used responsibly. For instance, if a company uses it to show you products or services you’re genuinely interested in, it can save you time and effort. When done with transparency, microtargeting can be a useful tool to connect people with products or information they actually want.

However, microtargeting crosses into unethical territory when it manipulates emotions or spreads misinformation. For example, if political campaigns use it to promote misleading information or exploit your fears, this can have a negative impact on society.

The ethical question boils down to intent: is microtargeting being used to inform you or to manipulate you? When this last one is true, it becomes a problem.

When Microtargeting Becomes Unethical

Microtargeting becomes unethical when it oversteps into your private life or tries to influence you in ways that aren’t transparent.

Imagine political ads that target specific fears or anxieties you may have, or brands that exploit sensitive personal information to sell products. When companies and campaigns start using highly personal details to push you toward certain actions, they’re infringing on your autonomy.

Balance the Ethics

Microtargeting has transformed the way businesses and political campaigns reach audiences, but it also raises significant ethical and privacy concerns.

While it can make advertisements and information more relevant, it can also feel invasive or manipulative.

As microtargeting continues to shape the way we experience media and make decisions, it’s crucial to understand how it works and what it means for your privacy and society.

By staying informed and taking steps to protect your data, you can make sure that you’re in control of what you see online, not just a target for companies and campaigns.

Frequently Asked Questions

What is microtargeting?

Microtargeting is a marketing strategy that involves using personal data to target small groups of people through social media and other digital platforms with tailored messages. In business, it is used to influence voter behavior by delivering persuasive content based on the psychographic and demographic characteristics of individuals.

What role does machine learning play in microtargeting?

Machine learning is used to analyze large datasets, or big data, to identify patterns and predict voter behavior. This allows for precise targeting of messages to specific demographic groups, essentially enhancing the scale and precision of microtargeting efforts.

Can microtargeting be considered a form of manipulation?

There is an ongoing debate about whether microtargeting constitutes manipulation. While it can be used to frame messages in a way that is more likely to persuade voters, critics argue that it can also be used to exploit vulnerabilities and influence decisions in a way that may not be in their best interests.

What measures can be taken to ensure ethical microtargeting practices?

Ensuring ethical microtargeting practices involves implementing strict data protection regulations, increasing transparency about how data is collected and used, and providing voters with the option to opt-out of receiving microtargeted content. Additionally, there should be clear guidelines to prevent the spread of harmful or misleading information.

How do digital platforms contribute to the microtargeting process?

Digital platforms play a crucial role by providing the infrastructure for delivering microtargeted messages. They collect vast amounts of personal data, which can be analyzed to create detailed profiles of users, allowing marketers and political campaigns to target specific groups with tailored content.

Legal frameworks vary by region, with some areas, like the European Union, having stricter data protection laws such as the General Data Protection Regulation (GDPR). These laws aim to protect personal data and ensure that individuals are aware of and consent to how their data is used throughout this process.

This is my weekly newsletter that I call The Deep End because I want to go deeper than results you’ll see from searches or LLMs. Each week I’ll go deep to explain a topic that’s relevant to people who work with technology. I’ll be posting about artificial intelligence, data science, and ethics.

This newsletter is 100% human written 💪 (* aside from a quick run through grammar and spell check).

References:

[1] https://utrechtlawreview.org/articles/420/files/submission/proof/420-1-1126-4-10-20180212.pdf

[2] https://www.tandfonline.com/doi/full/10.1080/01972243.2022.2134240

[3] https://blogs.lse.ac.uk/politicsandpolicy/campaign-microtargeting-and-ai-can-jeopardize-democracy/

[4] https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4856184

[5] https://privacyinternational.org/long-read/2850/data-exploitation-and-democratic-societies

[6] https://epthinktank.eu/2021/12/14/key-social-media-risks-to-democracy-risks-from-surveillance-personalisation-disinformation-moderation-and-microtargeting/

[7] https://policyreview.info/articles/analysis/political-microtargeting-towards-pragmatic-approach

[8] https://revistas.um.es/daimon/article/view/609851

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