The best way to learn to spot a conspiracy theory is to make one yourself.
Pick a real news story. On the next step you'll choose who's behind it and why. Then walk through the four moves real conspiracists use, with a debunk on every step.
Choose whichever real-feeling headline your imagination will run wildest with. Don't overthink it.

Meta, the company that owns Facebook and Instagram, says it will start asking users in the European Union for permission to show personalized advertising. The move follows regulatory rulings that challenged Meta’s data-collection methods for targeted ads. Rather than relying on a “legitimate interest” justification, Meta has conceded it must obtain explicit consent under EU data-protection rules before using people’s personal data to tailor ads on its platforms.

Sarah Ogilvie’s The Dictionary People tells the story of the people who built the Oxford English Dictionary by collecting words, quotations, and regional usages. Ogilvie, a linguist, shows that the OED was not made by a single team in isolation but by thousands of volunteers who sent slips of paper and examples from newspapers, books, and everyday speech. The book explains how this wide network of contributors helped record English across time and place.

A recent YouGov–Cambridge Globalism Project survey finds that voters in Western democracies are more divided by identity and partisan loyalty than by specific policy positions. Researchers describe strong "affective polarization": people feel intense dislike for opposing groups even when those groups often share similar views on key debates such as sexism, racism, and economic policy. The findings challenge the idea that culture wars are mainly about conflicting opinions; instead, much conflict appears driven by who people see as "us" versus "them."

An annual YouGov-Cambridge Globalism Project survey, reported by The Guardian, finds that support for populist ideas has fallen across several European countries over the past three years. The survey measures attitudes like distrust of elites, favoring strong national control, and opposition to immigration. In the latest cycle, populist sentiment declined in ten European nations, indicating fewer people now express broad populist beliefs than in earlier years.