Is Sainsbury's app scanner the future of shopping?

Nick Potts/PA Wire

The weekly supermarket shop can feel like a horribly arduous business. We forget that once we used to have to visit lots of shops, and carry our shopping for miles. Now we resent all the to-ing and fro-ing, filling the trolley, unloading it at the checkout, and putting it all back in again.

But a new app from Sainsbury's claims that it will put a stop to all of that.
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