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  In this interactive video, Robert Opie - the founder of the Museum of Brands, Packaging and Advertising in London - outlines some of the main reasons why we change what we buy.
  The arrival of the domestic freezer, of washing powder, and of cheaper imports all affected the sort of items on sale and popular among UK consumers.
  The interactive elements to this video also explore how ownership and ranking of some of the biggest brands in the UK is changing.
  The video works best in full screen
  Click on the links below to read the extra information used in this video in a non-interactive format:
  What in the world does China own?
  Top tips on freezing food, BBC Good Food
  Annual survey ranking the top 20 consumer brands in the UK
  Museum of Brands, Packaging and Advertising
target: Advancing technology and manufacturing techniques are among the ingredients of our changing consumer tastes.