Tesco adds barcode scanner to iPhone app | Supermarket leviathan Tesco has announced that is updating its popular grocery app for iPhone to include a barcode reader – along people to add things to their online shopping list more simply. Buying advice from the leading technology site
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Tesco's Interactive Virtual Grocery Store In Gatwick Airport's North Terminal allowed passengers to view a range of products by scrolling through the unique moving screens on large virtual fridges. By scanning the barcodes with their smartphones they could add their chosen products to their online baskets, book a home delivery slot and checkout. Their shopping was then delivered home. 2012.