![Roger Goodgroves on Twitter: "@Tesco What is this madness with Scan as you shop in your Taplow store. The people getting red spots won't steal as they know they are being fully Roger Goodgroves on Twitter: "@Tesco What is this madness with Scan as you shop in your Taplow store. The people getting red spots won't steal as they know they are being fully](https://pbs.twimg.com/media/DlSUL3sXgAAoUvS.jpg)
Roger Goodgroves on Twitter: "@Tesco What is this madness with Scan as you shop in your Taplow store. The people getting red spots won't steal as they know they are being fully
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A Bar Code Scanner In A Holder On A Supermarket Trolley In A Tesco Store In The UK - Used By Customers To Self Scan Barcodes On Goods They Want To Buy
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