For some, they are the changemakers who make our economies work. For others, they are a moral shame in the midst of so much global poverty. Should anyone be a billionaire?
Time to spread the wealth, says singer
Taxing talk: Many people now share Billie Eilish's view that billionaires should share their extreme wealth for a fairer world — through progressive taxing or philanthropy. Most experts agree extreme inequality harms everyone in society. Glossary
Empathy - The capacity to understand and feel the suffering of others.
Obscene - Offensive, shocking or disgusting.
Hierarchical - Arranged by levels of ranking or authority, with some people or things being superior to others.
Elite - The richest, most powerful, best-educated or best-trained members of society.
Incentive - Something that motivates you to do something. A reason.
Ethics - The moral rules that people follow in order to have a good life and benefit society.
Meritocracy - The idea that status comes from talent or ability, not privilege or social class. Sandel argues that many voters feel "humiliated by meritocracy and this entire political project".