CHESHUNT, England, 2015-7-31 — /EPR Retail News/ — Tesco is to introduce a brand new audio voice to its self-service and scan as you shop checkouts following feedback from customers. Friendlier, more helpful and less talkative, the machines will no longer alert customers with the infamous phrase, ‘unexpected item in the bagging area’. Introduced in 2003, Tesco now…