Sat nav fails: “All my deliveries go to the wrong place!”

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Satellite navigation systems have led many people to abandon road maps altogether. They are a particular boon to the army of couriers who deliver the things we buy online. But there are some addresses where sat navs really struggle, where consistently the driver is sent to the wrong place. Winifred Robinson speaks to a listener who's fed up that her shopping rarely turns up. First broadcast on You & Yours, 20 July 2016.