The Billionaires Who Made Our World

2. Bill Gates

Lifting the lid on one of the world's richest men, the ruthless tech visionary who also tried to save the planet. Is Gates really a modern-day saint?

3. Jeff Bezos

Speaking to people fighting back against Jeff Bezos's unprecedented power and uncovering how Amazon affects nearly every aspect of modern life.

4. Mark Zuckerberg

The story of the boy genius who changed the way we communicate forever.