Part 1 of 5 · freeIntroduction
The five giants known as Big Tech, Google, Apple, Facebook (Meta), Amazon and Microsoft, are among the richest companies in the world. Yet, measured against their profits, they often pay far less tax than an ordinary small business.
This is not fraud in the strict sense. It is tax avoidance, the clever exploitation of loopholes in international law. The mechanism costs governments hundreds of billions of dollars every year. Here's how it works, and how the world is trying to respond.
The rest is in the Sophia app.The remaining parts, the open-book quiz and the full glossary. Free to start; Premium unlocks everything.
- 2A tax built for factories, not for the internet
- 3Hundreds of billions in lost revenue
- 4The response: a global minimum tax
- 5Ireland, Europe's capital of tax optimization
Open-book quiz9 questions whose answers are in the text.
Glossary13 terms explained in a tap.
30 languagesThe same course, from French to Japanese.





