The social media echo chamber: A threat to understanding and harmony
As social media increasingly shapes how we consume information, its algorithmic echo chambers threaten critical thinking, tolerance, and social cohesion.

In recent years, social media has become one of the primary sources of news and information. Major news agencies maintain a strong presence on these platforms, ensuring that news is accessible to people in real time. While this has democratised the flow of information, it has also introduced a significant challenge: algorithm-driven content delivery that filters what users see based on their past behaviour.
This phenomenon creates a selective exposure effect, where individuals are repeatedly shown news and opinions that align with their pre-existing beliefs, thereby limiting their exposure to diverse perspectives.
Social media platforms such as Facebook, Twitter (now X), and Instagram use sophisticated algorithms to enhance user engagement. These algorithms analyse a person's interactions—likes, shares, comments, and watch time—to predict the type of content that will keep them on the platform for longer. While this mechanism helps personalise the user experience, it also creates an echo chamber where individuals are exposed only to viewpoints similar to their own.
This selective filtering of information discourages exposure to opposing perspectives. As a result, users often become trapped in a bubble, repeatedly encountering the same narratives that reinforce their biases. This can lead to what psychologists call confirmation bias—the tendency to interpret information in a way that confirms one's existing beliefs while disregarding contradictory evidence. Over time, this can solidify an individual's worldview to the extent that alternative viewpoints are perceived as incorrect, misleading, or even hostile.
One of the most significant consequences of social media's content curation is the erosion of critical thinking and open-mindedness. A person who repeatedly sees content favouring one political ideology, for instance, may begin to perceive that viewpoint as the only correct one. This limits their ability to appreciate the complexity of real-world events.
Consider recent political events across the world, such as the 2020 U.S. presidential election or the Russia–Ukraine conflict. Many social media users engaged only with content that aligned with their pre-existing beliefs. Supporters of different political parties or ideological perspectives shared news and opinions that reinforced their stance while discrediting opposing views.
This resulted in increased polarisation, as users became unable or unwilling to consider alternative viewpoints—even when those perspectives were supported by facts. A similar trend was observed in the dissemination of misinformation during crises such as the Covid-19 pandemic. Many users followed pages and influencers who echoed their personal stance on vaccines, lockdowns, and public health protocols. This led to the spread of conspiracy theories and false claims that contradicted scientific consensus, undermining public health measures and vaccination campaigns globally.
When people engage exclusively with a singular viewpoint, they develop rigid opinions that hinder constructive dialogue. This has long-term societal implications:
Reduced tolerance for diverse opinions: When individuals stop encountering differing perspectives, they lose the ability to engage in healthy debates. This can lead to intolerance and even hostility towards those who hold different beliefs.
Decline in critical thinking: Without exposure to multiple viewpoints, people may stop questioning the information they receive. This makes them more susceptible to propaganda and misinformation.
Social fragmentation: Societies function best when people are able to listen to and understand each other, even in disagreement. Social media bubbles, however, create divisions, as users become less willing to consider opposing views.
While social media algorithms are designed to personalise content, individuals can take conscious steps to break free from information bubbles and cultivate a more comprehensive understanding of the world around them. Here are a few strategies:
Follow diverse news sources: Rather than relying solely on social media feeds, individuals should actively seek news from a range of sources, including international media, independent journalists, and credible fact-checking organisations.
Engage in offline discussions: Conversations with friends, colleagues, and community members who hold differing views can help broaden one's understanding of complex issues.
Read books and long-form articles: Social media often promotes quick, attention-grabbing content. Reading books, research papers, and in-depth journalistic reports offers a more nuanced perspective.
Question and verify information: Before accepting or sharing any news, one should verify its authenticity through multiple sources. Websites such as Snopes, FactCheck.org, and official fact-checking portals are useful tools in distinguishing facts from misinformation.
Use social media mindfully: Users can intentionally follow pages and accounts that offer a wide range of perspectives. Engaging with diverse viewpoints—even those that challenge personal beliefs—is essential for intellectual growth.
Participate in community activities: Involvement in volunteering, cultural programmes, or academic discussions can bring people into contact with others from varied cultural, social, and political backgrounds, fostering a more rounded worldview.
Social media has undoubtedly revolutionised how people access news and interact with information. However, its algorithm-driven personalisation has fostered echo chambers that limit exposure to differing perspectives. This has led to heightened polarisation, reduced tolerance, and a decline in critical thinking. To combat these effects, individuals must actively pursue a variety of information sources, challenge their own assumptions, and engage in meaningful conversations beyond the confines of social media.
A well-informed society is one in which people can appreciate different perspectives and participate in constructive dialogue. Breaking free from digital echo chambers is not merely a personal responsibility—it is essential for building a more inclusive, empathetic, and cohesive world.
Ashif Anam Siddique serves as the First Secretary (Labour Welfare) at the Embassy of the People's Republic of Bangladesh in Rome, Italy.
Disclaimer: The views and opinions expressed in this article are those of the author and do not necessarily reflect the opinions and views of The Business Standard.