Tech meltdowns: what can retailers learn from Sainsbury’s, Tesco and Greggs’ woes?

Sainsbury's self checkout

After Greggs became the fourth major business in the UK to face disruptions due to IT issues in less than a week,  what can retailers do differently to avoid such issues in the future?

On Saturday, global fast-food giant McDonald’s was forced to shut restaurants in the UK, Australia, New Zealand and Japan due to an IT outage, then two of the UK’s largest supermarkets were struck by tech difficulties of their own.


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