Should there be a limit to wealth? Right now the world’s rich and powerful are meeting in the Swiss resort of Davos. Some think we would all be better off without them.
World’s five richest men double their money
Yawning gap: If current trends continue, world poverty will not be eradicated for another 229 years. Glossary
Davos - Davos is the informal name of the annual, four-day conference held by the World Economic Forum (WEF) in Davos-Klosters, Switzerland. According to WEF's website, the aim is to "engage the foremost political, business, cultural, and other leaders of society to shape global, regional, and industry agendas".
Microclimate - The climate of a very small area — especially one that is different to the climate surrounding it.
World Economic Forum - An independent organisation based in Switzerland which is committed to improving the world.
Cornelius Vanderbilt - A wealthy 19th Century American businessman who built a fortune in railways and shipping.
Elon Musk - A South African-born entrepreneur whose companies have included the online payment service PayPal. He now controls Twitter, renamed 'X'.
Oxfam - An international charity, originally British, that works to alleviate global poverty.
Alps - A mountain range in southern central Europe.
UN - United Nations. An intergovernmental organisation based in New York that aims to maintain international peace and security.
Social mobility - A person's ability to move between classes. In 2013, more than 161,000 people took part in the Great British Class Survey, which revealed that there are seven classes in Britain, ranging from the 'elite' down to the 'precarious proletariat.'
Bill Gates - Founder and former CEO of Microsoft, the company responsible for popularising household computers in the 80s (and still one of the major global tech companies). His house on the shores of Lake Washington is called Xanadu 2.0. It took seven years to build and is seen as an early example of a smart home.