Advertising is a massive global business. Each year billions of pounds are spent in attempts to influence our decisions and to persuade us to spend more.

It is also a highly creative industry, as advertising teams are responsible for generating the images, slogans, concepts, and brands that are designed to make us part with our cash.

In three special editions of Masterpiece, the BBC World Service looks at just how advertising teams work.

Part One
	Listen to the first debate

Part Two
	Listen to the second debate

Part Three
	Listen to the third debate