Part 1 of 5 · freeIntroduction
Lying to serve a political goal is nothing new, and there are traces of it from antiquity onward. But the Internet and social media changed the game: false information no longer flows only from a state down to its people, it now spreads sideways, from citizen to citizen.
That shift created a world where truth can look optional next to virality. Understanding how disinformation spreads, and who profits from it, has become essential to keeping trust between citizens.
The rest is in the Sophia app.The remaining parts, the open-book quiz and the full glossary. Free to start; Premium unlocks everything.
- 2Why a lie travels faster than the truth
- 3An industry of lies, between states and profit
- 4How to tell the true from the false
- 5Rebuilding trust in a world of images
Open-book quiz9 questions whose answers are in the text.
Glossary12 terms explained in a tap.
30 languagesThe same course, from French to Japanese.





