How many adverts does the average person see in a day? If you search for this question online, the surprising answer is that we might see thousands \u2013 up to 10,000.
However, the idea that we see thousands of adverts is a strange and confusing one, without any good research behind it. We investigate the long history of these odd numbers, with the help of Sam Anderson from The Drum and J Walker Smith from Kantar.
Presenter: Tim Harford\nSeries producer: Tom Colls\nProduction co-ordinator: Brenda Brown \nSound Mix: James Beard\nEditor: Richard Vadon