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Posts by Sander van der Linden

Alexandra Geese, MEP on how social media algorithms set the political agenda and censor speech
Alexandra Geese, MEP on how social media algorithms set the political agenda and censor speech YouTube video by Cambridge Disinformation Summit

Member of European Parliament, @alexandrageese.eurosky.social, discusses how social media algorithms set the political and popular agenda and censor speech.

Cambridge Disinformation Summit, 9 April 2026

youtu.be/gwh8kcI286Q

2 days ago 71 32 1 0
Prof. Joseph Stiglitz discusses the impact of AI and digital platforms on the information ecosystem
Prof. Joseph Stiglitz discusses the impact of AI and digital platforms on the information ecosystem YouTube video by Cambridge Disinformation Summit

I was honored to give the virtual keynote for the Cambridge Disinformation Summit last week. Alan Jagolinzer of the Cambridge Judge Business School, who chaired the summit, said, "I see disinformation as preparing the landscape for corruption."
www.youtube.com/watch?v=D6yI...

1 week ago 66 21 2 0

Great catching up, thanks for coming!

1 week ago 1 0 0 0
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Fantastic hosting the brilliant Michael Mann @michaelemann.bsky.social for the opening keynote of the Cambridge Disinformation Summit. He spoke about intersecting risks of disinfo for climate, health, & democracy.

Highly recommend his new book Science under Siege with @peterhotezmdphd.bsky.social

1 week ago 50 16 1 0
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The great Steve Lewandowsky @lewan.bsky.social presented cutting-edge new work at the Cambridge Disinformation Summit with @almogsi.bsky.social showing how alienating us vs them rhetoric predicts real-world violent outcomes across 145 political manifestos between 1796 & 2024.

osf.io/preprints/ps...

1 week ago 63 21 0 3
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Mayor warns of London 'disinformation blizzard' on social media Sir Sadiq Khan claims London is being targeted with disinformation portraying it as a city "in decline".

www.bbc.co.uk/news/article...

1 week ago 28 15 1 2

It was an absolute pleasure to host the Mayor of London Sir Sadiq Khan @london.gov.uk at the Cambridge Disinformation Summit. A powerful speech about the dangers of online disinformation and how it can translate to offline harm.

Fantastic leadership from one of the world's greatest cities. 👏

1 week ago 31 10 1 1
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New paper: we propose a theory to help explain variation in democratic backsliding. We look at the case of Russia, Israel, & the US. We posit that collective memories about democracy influence models of collective action.

advances.in/psychology/1...

Led by the brill Neil Lavie-Driver @advances.in

1 week ago 20 9 0 0
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Weaponising the past: An extended SIMCA model for how social identity and collective memory shape variation in collective action responses to democratic backsliding - advances.in/psychology Explore a SIMCA-based framework on how identity and collective memory drive resistance or acquiescence to democratic backsliding in Russia, Israel, and the U.S.

New article! Why do some societies resist democratic backsliding while others remain indifferent or actively support it? Neil Lavie-Driver and @profsanderlinden.bsky.social extend the social identity model of collective action to explore the role of collective memory. advances.in/psychology/1...

1 week ago 7 4 1 0
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Academics and independent journalists need significant funding to better understand, expose, and inform policy about narrative-led corruption. I hope the discussions in our meetings will help articulate the gravity of the risks we face and the commitment to and quality of work from this community. I hope that this, in turn, can inspire governments and others who value evidence-based policy, collaborative government, and democracy to properly fund this work, while they still have the ability to do so. 
 
As some experts will discuss in these meetings, information corruption and cognitive manipulation fuel existential threats. Our work should be considered important enough to fund as if it were part of fundamental societal or sovereign defence. 
 
Our work could potentially offer greater societal defence in this moment than some billion-dollar military hardware. In fact, some of our research could inform policy or actions that could reduce the need to deploy the military hardware we have already spent billions on. So, I think there is a high return on investment to properly fund our work.

Academics and independent journalists need significant funding to better understand, expose, and inform policy about narrative-led corruption. I hope the discussions in our meetings will help articulate the gravity of the risks we face and the commitment to and quality of work from this community. I hope that this, in turn, can inspire governments and others who value evidence-based policy, collaborative government, and democracy to properly fund this work, while they still have the ability to do so. As some experts will discuss in these meetings, information corruption and cognitive manipulation fuel existential threats. Our work should be considered important enough to fund as if it were part of fundamental societal or sovereign defence. Our work could potentially offer greater societal defence in this moment than some billion-dollar military hardware. In fact, some of our research could inform policy or actions that could reduce the need to deploy the military hardware we have already spent billions on. So, I think there is a high return on investment to properly fund our work.

From my opening speech at the Cambridge Disinformation Summit.

Governments need to fund research and policy around disinformation and malign cognitive influence as a core part of defence.

The ROI would be likely be greater than $billion military hardware.

1 week ago 31 12 1 0
"...This year, we decided to focus on studying the harms that are fueled by intentionally misleading narratives from actors who have financial, power, psycho-social, and/or physical incentives to exploit others. We will hear from experts, for example, about assessments of multi-generational systemic economic, climate, and humanitarian damage that stems from malign cognitive influence campaigns. 
 
This focus on harms is critically important because I see disinformation—which is an intentionally deceptive speech act—as often a preparatory act to engage in an intentional associated harms or exploitation act. 
 
In other words, I see disinformation as preparing the landscape for corruption. 
 
Across the globe and throughout history, we can see how disinformation campaigns—which I view as preparatory speech acts—groom vulnerable people for associated corruption acts like sextortion fraud scams, crypto rug pulls, catfishing, sexual slavery, terroristic violence, or expansionist warfare.

...I think we offer one of the few remaining anti-corruption guardrails at this moment in history, which is why we must continue our work, despite threats from very powerful and well-funded global actors who do not want us to expose or impede their corruption.

"...This year, we decided to focus on studying the harms that are fueled by intentionally misleading narratives from actors who have financial, power, psycho-social, and/or physical incentives to exploit others. We will hear from experts, for example, about assessments of multi-generational systemic economic, climate, and humanitarian damage that stems from malign cognitive influence campaigns. This focus on harms is critically important because I see disinformation—which is an intentionally deceptive speech act—as often a preparatory act to engage in an intentional associated harms or exploitation act. In other words, I see disinformation as preparing the landscape for corruption. Across the globe and throughout history, we can see how disinformation campaigns—which I view as preparatory speech acts—groom vulnerable people for associated corruption acts like sextortion fraud scams, crypto rug pulls, catfishing, sexual slavery, terroristic violence, or expansionist warfare. ...I think we offer one of the few remaining anti-corruption guardrails at this moment in history, which is why we must continue our work, despite threats from very powerful and well-funded global actors who do not want us to expose or impede their corruption.

From my opening speech at the Cambridge Disinformation Summit.

Disinformation sets the stage for corruption.

1 week ago 95 43 4 2
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We are excited to welcome Katherine Ryan tomorrow night, with @sageandjester.bsky.social, for the Cambridge Disinformation Summit.

She joins host Robin Clyfan for a sharp fireside chat. How does she read a room, build tension, and shift what people believe, all in 60 minutes?

1 week ago 37 7 0 0
Congratulations to the winner of the BPS Presidents’ Award 2026 | BPS The BPS is delighted to announce that Sander van der Linden has been awarded the BPS Presidents’ Award for 2026

Congratulations @profsanderlinden.bsky.social - winner of the @bpsofficial.bsky.social Presidents' award www.bps.org.uk/news/congrat...
Find lots from him in our archive, including a great conversation with @jonronson.bsky.social
www.bps.org.uk/search?term=...

2 weeks ago 7 3 0 0

Next up: Disinformation Summit in Cambridge UK, where I'll be talking (Wednesday morning) about my book #ScienceUnderSiege with @peterhotezmdphd.bsky.social

2 weeks ago 65 26 2 0
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Here in the UK for the Cambridge Disinformation Summit @jagolinzer.bsky.social @profsanderlinden.bsky.social

2 weeks ago 17 2 2 0
‘They’ll keep getting sued until the message lands’ says Cambridge expert of addictive social media platforms ‘Negligence’ has resulted in mass payouts to victims.

web.archive.org/web/20260405...

2 weeks ago 1 0 1 0
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Some of my thoughts on the recent Meta/YT legal cases in the run up to the Cambridge Disinformation Summit next week.

"They don’t seem to learn, so I guess they’ll keep getting sued until the message lands.”

www.cambridgeindependent.co.uk/news/they-ll...

2 weeks ago 14 5 1 0
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PREBUNKING INTERVENTIONS AGAINST CLIMATE MISINFORMATION: A SYSTEMATIC REVIEW ON EFFECTIVENESS AND IMPLEMENTATION Climate misinformation poses a critical challenge by eroding trust in science and undermining support for mitigation policies. Prebunking is a promisi…

Prebunking Against Climate #Misinformation: Systematic Review www.sciencedirect.com/science/arti... by @profsanderlinden.bsky.social et al 🙏

"Inoculation with scientific consensus strengthens climate trust & policy support..."

"...effectively reduced susceptibility to climate misinformation"

2 weeks ago 16 3 0 0
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Federal Judge Approves Trump Effort to Extract List of Jews From Penn

Cool, cool, a federal judge just ruled that the Trump administration has the power to demand lists of Jews from colleges and universities. www.nytimes.com/2026/03/31/u...

2 weeks ago 204 116 19 60
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Super honored to find out I was given the the BPS President's Award for Distinguished Contributions to Psychological Knowledge! It's an honor & a real testament to the whole Cambridge Lab, deep felt thank you to all who have supported us 🙏

Full statement 👇
www.bps.org.uk/news/congrat...

3 weeks ago 16 1 2 0
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It was a pleasure featuring in this excellent Sky News episode on the social media ban debate. Quick summary;

"They all believed that social media companies should be forced to change their platforms rather than young people being forced to come off them."

news.sky.com/story/countl...

3 weeks ago 19 3 0 0

Yes’

3 weeks ago 1 0 0 0

Los Angeles trial verdict also just in: Meta and Google found liable for negligence and designing addictive social media features www.bbc.co.uk/news/article...

3 weeks ago 2771 805 173 55
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Meta ordered to pay $375m after being found liable in child exploitation case New Mexico hails ‘historic’ win after jury finds firm misled consumers over safety and enabled harm against users

Meta ordered to pay 375 million after being found liable by a jury in New Mexico in one of the child exploitation cases for misleading consumers about the safety of their platforms.

www.theguardian.com/technology/2...

3 weeks ago 141 54 23 23
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@profsanderlinden.bsky.social - Professor of Social Psychology at @cam.ac.uk - spoke to us about media literacy in schools 👇

His full interview with us: www.youtube.com/watch?v=UcJ...

#osint #debunking

3 weeks ago 4 1 0 0
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Very cool to see the Japanese cover of Foolproof, which has just been released in Japan! It's one of my favorite covers. Thanks so much to Prof Sasahara for doing the excellent translation and including a new foreword.

www.msz.co.jp/book/detail/...

4 weeks ago 11 0 0 0
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The only real way to catch a liar, according to psychologists | BBC Science Focus Magazine We may like to think we’re top-notch at detecting deception, but the science says we’re pretty pants at it.

Pleasure contributing to this BBC deep dive on lying 👇

"Empirically, people are bad at spotting deception, says Prof Sander van der Linden. If you look at meta-analyses, people do marginally better than chance. That’s pretty bad. We’re basically just guessing.” www.sciencefocus.com/science/trul...

4 weeks ago 26 7 1 1

Ps thanks for reading the book!

4 weeks ago 1 0 1 0

Yes in the book I describe the idea that the big lie doesn’t just happen you have to groom the population over time with more palatable untruths in order to foster congenial worldviews thats why prebunking in schools from an early age is crucial I think before ideological views settle.

4 weeks ago 1 0 0 0
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How cognitive manipulation and AI will shape disinformation in 2026 Advanced AI and synthetic media are spreading disinformation, creating a global crisis that threatens to destabilize modern democracies.

Disinformation remains in the top risks for the WEF Global Risks Report 2026, it's a risk that amplifies all other risks, incl war. Important post from @jagolinzer.bsky.social about how cognitive manipulation is destabilizing democracies and how to build resilience 👇

www.weforum.org/stories/2026...

1 month ago 35 24 0 1