We all know supermarkets use information about our shopping habits to target us with personalised vouchers and offers – but how would you feel about sitting down to watch a movie and being confronted with adverts based on what was in your shopping trolley a few hours earlier?
Or what would you think about Tesco using its Clubcard database to check what you are eating, and possibly offering vouchers for salad and fruit if your basket is usually groaning with unhealthy items?
These are just two of the ways the supermarket giants are planning to make use of the data they gather on us.
Source: How supermarkets get your data – and what they do with it | Money | The Guardian
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