The habit, which shoppers have described as 'infuriating' and 'rude', has become a peeve for both store managers and customers.
Walmart bosses have issued a blunt new rule banning headphones on the shop floor, but staff are fighting back.
The habit, described by shoppers as 'infuriating' and 'rude', has also become a growing frustration for store managers.
'Everyone, no earbu... [2566 chars]