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Echo Chambers and Filter Bubbles

An Update on Recent Presentations

Last week I posted a round-up of the latest publications from my QUT DMRC colleagues and me, listing nine new journal articles and book chapters from our various research projects – investigating mis- and disinformation sharing (in general, and related to the COVID-19 pandemic), analysing the dynamics of polarised online discourses, debunking the idea of echo chambers and filter bubbles, mapping social networks, and examining the evolution of journalistic practices.

This week, I’ll do the same for some of my and our recent presentations. As opportunities for in-person events remain very limited under the current circumstances, most of these have been online – but one small benefit from this is that more of them take the form of recorded videos rather than slides only. Here’s the research we’ve talked about recently, then – click on the various links below to see the full slides, videos, and paper abstracts:

First, a few weeks ago I’ve had another opportunity to outline the key arguments of my 2019 book Are Filter Bubbles Real?, in a talk to the Media Futures research centre in Bergen, Norway. My sincere thanks especially to Hallvard Moe for organising this.

Axel Bruns. “Are Filter Bubbles Real?” Invited presentation to Media Futures Research Centre for Responsible Media Technology and Innovation, Bergen, Norway, 16 Apr. 2021.

In another European presentation, I also had the opportunity to present a keynote on my COVID-19 disinformation research with Edward Hurcombe and Stephen Harrington to the PolKomm 2021 conference organised by the Weizenbaum-Institut in Berlin – many thanks to Christoph Neuberger for the invitation. I presented this in German, and I don’t think there’s a video recording of the presentation; here, though, are the slides at least:

A Round-Up of New Publications

Without in-person conferences to liveblog, this site has been a little quiet recently. But that doesn’t mean that there isn’t any news to report – so here is the first of a number of posts with updates on recent activities. First of all, I’m very pleased that a number of articles I’ve contributed to have finally been published over the past few months – and in particular, that they represent the results of a range of collaborations with new and old colleagues.

The first of these is a new book chapter led by my QUT Digital Media Research Centre colleague and former PhD student Ehsan Dehghan, which provides a useful update on his and our current approach to discourse analysis. Building on Ehsan’s work for his excellent PhD thesis, the book chapter connects a detailed methodological overview with the conceptual approaches of Laclau and Mouffe, exploring the presence of agonistic and antagonistic tendencies across a number of case studies. The chapter was published in the third volume in Rebecca Lind’s Produsing Theory book series, which in its title also draws on my concept of produsage, of course.

Dehghan, Ehsan, Axel Bruns, Peta Mitchell, and Brenda Moon. “Discourse-Analytical Studies on Social Media Platforms: A Data-Driven Mixed-Methods Approach.Produsing Theory in a Digital World 3.0, ed. Rebecca Ann Lind. New York: Peter Lang, 2020. 159–77. DOI:10.3726/b13192/20.

A second new article results from another collaboration with a former PhD student, Felix Münch, now a postdoctoral researcher at the Hans-Bredow-Institut in Hamburg. Building on the work Felix presented at the 2019 AoIR Flashpoint Symposium in Urbino, this article in Social Media + Society outlines a new approach to mapping the network structure of a national Twittersphere, offering a pathway towards generating some critically important baseline data against which observations from hashtag- and keyword-based studies may be compared.

Münch, Felix Victor, Ben Thies, Cornelius Puschmann, and Axel Bruns. “Walking through Twitter: Sampling a Language-Based Follow Network of Influential Twitter Accounts.” Social Media + Society 7.1, (2021) DOI:10.1177/2056305120984475.

Third, I’m also very pleased to have made a contribution to a new article in Digital Journalism by Magdalena Wischnewski, a visiting PhD scholar supported by the RISE-SMA research network coordinated by Stefan Stieglitz at the University of Duisburg-Essen. Caught up in the travel disruptions caused by the COVID-19 pandemic, Magdalena spent rather more time with us at the QUT DMRC than we had planned, but happily we were able to put this extra time to good use and investigate the motivations for sharing hyper-partisan content (in this case study, from InfoWars) on Twitter.

Are Filter Bubbles Real? (WSU 2019)

Digital Humanities Research Group

Are Filter Bubbles Real?

Axel Bruns

  • 22 May 2019 – Digital Humanities Research Group, Western Sydney University

The success of political movements that appear to be immune to any factual evidence that contradicts their claims – from the Brexiteers to the ‘alt-right’, neo-fascist groups supporting Donald Trump – has reinvigorated claims that social media spaces constitute so-called ‘filter bubbles’ or ‘echo chambers’.

Understanding the Diverging Dynamics of Conspiracy Theories on Twitter

The final speaker in this AoIR 2019 session is QUT DMRC PhD graduate Dr. Jing Zeng, whose focus is on the automated dissemination of conspiracy theories on Twitter – including suggestions that celebrities like Justin Bieber, industry leaders like Mark Zuckerberg, and royals are actually shape-shifting lizards; that planes spread mind-controlling chemtrails; that the Earth is flat; or that the California wildfires were started by a new energy weapon created by the U.S. government.

Some Questions about Filter Bubbles, Polarisation, and the APIcalypse

Rafael Grohmann from the Brazilian blog DigiLabour has asked me to answer some questions about my recent work – and especially my new book Are Filter Bubbles Real?, which is out now from Polity –, and the Portuguese version of that interview has just been published. I thought I’d post the English-language answers here, too:

1. Why are the ‘filter bubble’ and ‘echo chamber’ metaphors so dumb?

The first problem is that they are only metaphors: the people who introduced them never bothered to properly define them. This means that these concepts might sound sensible, but that they mean everything and nothing. For example, what does it mean to be inside an filter bubble or echo chamber? Do you need to be completely cut off from the world around you, which seems to be what those metaphors suggest? Only in such extreme cases – which are perhaps similar to being in a cult that has completely disconnected from the rest of society – can the severe negative effects that the supporters of the echo chamber or filter bubble theories imagine actually become reality, because they assume that people in echo chambers or filter bubbles no longer see any content that disagrees with their political worldviews.

Now, such complete disconnection is not entirely impossible, but very difficult to achieve and maintain. And most of the empirical evidence we have points in the opposite direction. In particular, the immense success of extremist political propaganda (including ‘fake news’, another very problematic and poorly defined term) in the US, the UK, parts of Europe, and even in Brazil itself in recent years provides a very strong argument against echo chambers and filter bubbles: if we were all locked away in our own bubbles, disconnected from each other, then such content could not have travelled as far, and could not have affected as many people, as quickly as it appears to have done. Illiberal governments wouldn’t invest significant resources in outfits like the Russian ‘Internet Research Agency’ troll farm if their influence operations were confined to existing ideological bubbles; propaganda depends crucially on the absence of echo chambers and filter bubbles if it seeks to influence more people than those who are already part of a narrow group of hyperpartisans.

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