Tech Life
Tech Life

How misinformation spreads

Rory Cellan-Jones examines how misinformation spreads across online platforms. Plus, why Tesla’s Elon Musk is promising a $25,000 fully autonomous electric car. And former Danish Prime Minister Helle Thorning-Schmidt, co-chair of Facebook’s new oversight board, on how the body will handle controvers

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BBC World Service Host

Topics Discussed

Episode Summary

Executive Summary: This Tech Tent episode centers on misinformation during the pandemic, showing how false claims about COVID-19 and 5G spread across platforms, especially via Facebook, and how hard it is for platforms to contain them. It also covers a major dark web police raid, England and Wales’ new contact-tracing app, Google’s removal of virtual Uluru walks, Tesla’s battery day promises, and Facebook’s oversight board ahead of the US election.

Main Topics: COVID-19 misinformation and conspiracy theories (Priority: 5/5): The episode argues that misinformation about the coronavirus, vaccines, 5G, and figures like Bill Gates has become a major online problem, with social media platforms struggling to contain it. How misinformation spreads across platforms (Priority: 5/5): An Oxford Internet Institute study suggests YouTube may be a source, but Facebook is the main distribution engine, amplifying false videos through groups, shares, and reposts across social networks. Public belief in 5G health myths (Priority: 4/5): Deloitte research shows substantial minorities believe 5G harms health, especially younger users and some European markets, reflecting how fear and misinformation can shape public opinion. QAnon and the persistence of extreme conspiracy theories (Priority: 4/5): Marianna Spring explains QAnon as a baseless but influential conspiracy theory that has supporters beyond the US and can surface even in UK protests and conversations. Platform governance and Facebook’s oversight board (Priority: 4/5): The new Facebook oversight board is presented as a potential 'Supreme Court' for content moderation, but its effectiveness and timing before the election remain uncertain. Other tech news: dark web raids, contact tracing, Uluru, Tesla (Priority: 3/5): The episode briefly covers a coordinated international dark web crackdown, the launch of England and Wales’ contact-tracing app, Google removing virtual walks on sacred Uluru, and Elon Musk’s battery-day claims.

Key Arguments: Misinformation about COVID-19, vaccines, and 5G is widespread and not confined to one platform. Facebook appears to be the main amplification channel for false YouTube content because of heavy sharing in groups and on feeds. YouTube has improved recommendations by elevating authoritative sources, but that does not stop content from being reposted elsewhere. Fact-checking and warning labels on Facebook are insufficient at scale; fewer than 1% of the studied misinformation videos had labels. Public anxiety about new technologies and the pandemic helps conspiracy theories gain traction. Facebook’s oversight board could matter, but its impact will depend on whether Facebook follows its rulings and whether it can work quickly enough. Tesla’s battery-day announcements showed ambition, but battery and autonomy progress remains incremental and uncertain.

Data Points: Videos removed by YouTube in study: around 8,000 - Oxford Internet Institute analysis of misinformation videos removed by YouTube Shares of those misinformation videos: around 20 million - Total social-media shares accumulated by the removed videos Fox News YouTube shares: around 10 million - Used as comparison for audience size of misinformation videos Facebook fact-check coverage: less than 1% - Share of misinformation videos that received warning labels on Facebook UK belief that 5G harms health: 14% - Deloitte finding for the UK population Austria belief that 5G harms health: over a third - Deloitte finding for Austria UK belief among ages 25-34: 18% - Deloitte finding for younger adults in the UK People arrested in dark web raid: 179 - Coordinated Europe-US operation against dark web marketplaces Cash and virtual currency seized: $5 million - Value seized in the dark web crackdown Drugs seized in dark web raid: 500 kilograms - Quantity of drugs seized in the operation Guns seized in dark web raid: 64 - Number of guns seized in the operation Tesla target vehicle price: $25,000 - Elon Musk’s stated goal for an affordable electric vehicle Tesla market-cap impact: $50 billion knocked off share price - Reaction to Battery Day presentation Facebook misinformation removed: 7 million pieces in three months - Facebook’s response to COVID-19 misinformation claims Facebook users: 2.7 billion - Scale referenced in discussion of the oversight board’s potential impact

Pivotal Quotes: "Could a vaccine be a way of Bill Gates microchipping and killing us? And the answer is no. No." — Marianna Spring: Dismissal of a vaccine-related conspiracy theory during discussion of coronavirus misinformation "We found around 8,000 videos that YouTube had removed because they believed that they contained false information." — Alexei Knutela: Oxford Internet Institute research on misinformation videos "If Facebook doesn't follow our decisions, it won't last very long because we have signed on to this task only because of the transparency and independence and the obligation from Facebook, including, of course, Mark Zuckerberg, to follow our decisions." — Hella Thorning-Schmidt: Facebook oversight board co-chair describing the board’s authority

Implications: Platforms will face continued pressure to moderate misinformation across interconnected networks, not just within single apps. The episode suggests tougher governance, better fact-checking, and more transparent moderation will be critical as elections, vaccines, and emerging tech debates intensify.

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Tech Life discovers and explains the ways technology is changing our lives, wherever we are in the world. We meet the people with bright ideas for rethinking the way we work, learn and play, and get hands-on with the products they dream up. We hold tech giants to account for their huge power to affect our lives, and ask who wins, and who loses, in the technology transformation. Tech Life is your guide to a future being made, and remade, at lightning speed in front of our eyes.</p>]]></description><itunes:summary><![CDATA[<p>Tech Life discovers and explains the ways technology is changing our lives, wherever we are in the world. We meet the people with bright ideas for rethinking the way we work, learn and play, and get hands-on with the products they dream up. We hold tech giants to account for their huge power to affect our lives, and ask who wins, and who loses, in the technology transformation. Tech Life is your guide to a future being made, and remade, at lightning speed in front of our eyes.

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