Peter Day argues that since he first presented In Business 25 years ago, the internet has led to a revolution that replaces mass production for mass markets with customised trading.

Peter Day talks to the author and economist Mariana Mazzucato who argues that the state has a huge part to play in bringing new goods and services to market.

The Chinese government plans to have 200 million graduates by 2020. But cracks in the plan are being shown by the class of 2013. Peter Day asks why these graduates can't find jobs.

In Peter Day's 25 years of presenting this programme, he has seen a succession of booms and busts, and heard from people who seem to know how to survive in business. He's been back to revisit a few of them, to find out what lessons they have learnt.

Techies are talking about the coming Internet of Things: 50 billion interconnected objects, from cars to coffee machines. Peter Day asks what it means and how it may happen.

Zambia has the potential to serve as a trade hub at the crossroads of southern Africa, but for now some truck drivers have to wait days to cross the border. How is the Zambian government hoping to change this? Peter Day reports.

Peter Day investigates the business use of what some call, with a shiver, drones. Could an unmanned aerial vehicle be delivering your pizza in the not too distant future?

Zambia is poised on the brink of success – so what key problems are holding the African nation back?

How come soft drinks can often be found in some of the most remote places in the world, but vital medicines are in short supply? Peter Day reports on a life-saving project.

Peter Day finds out about the concept of 'design thinking' and how designers are moving out of the lab and into the real world in some very unusual ways.