Because soon the Government might know too.
According to a story in the Daily Telegraph the Government’s health experts want to use loyalty card data to provide targeted information to people about their diet and general health.
David Halpern, the head of the Whitehall team known as the ‘nudge unit’, told the paper: ‘If you go and buy your stuff regularly, they [the supermarkets] know exactly what you are buying.’
They do indeed. The issue is then who else can gain access to that knowledge. Apparently the Government is wary of being seen to create any ‘big brother’ style project, but it’s hard to see how this isn’t a privacy issue.
Rather than making obese people take responsibility for their health, this proposal would see the habits of millions of healthy shoppers handed over and held by the state. If the data is to be any use it will have to come with some personal information and may be far from anonymous.
If the contents of your basket weren’t upto scratch then this data will be fed back and you’ll start seeing targeted health advice, irrespective of whether you go to the gym every day or not.
Supermarket spy sounds more like a gameshow but with loyalty cards tracking your every purchase it’s very much a reality.
Of course, if you want to find out what your supermarket does know about you, why not make a Subject Access Request