Categories Media The Conversation on: Smartphones Post author By Prof Jens Nordfält Post date 27 November 2020 https://theconversation.com/using-your-smartphone-at-the-supermarket-can-add-41-to-your-shopping-bill-117619 Read the original press release here. ← Slough & South Bucks Observer on: Hand-held scanners → Delano (LUX) on: Smartphones