The Bottom Line - 14/03/2009

Advertising seems to be everywhere these days, but with new technology on the march and the global economy facing a recession, has the ad industry had its day? Evan Davis talks to marketing chief Sir Martin Sorrell; Guy Laurence, chief executive of Vodafone UK; and Richard Brown of Eurostar. They discuss hindsight - what have they learned from past mistakes that is of any use to them now?