Woolworths says it wants to roll out its smart shopping trolleys to more stores to help people budget their shops better. Smart carts overseas have helped increase the average customer spend by 6 per cent. Woolworths says it wants to roll out its smart shopping trolleys to more stores to help people budget their shops better. Smart carts overseas have helped increase the average customer spend by 6 per cent. Supermarkets and Grocery Retailers, Federal Government, Government and Politics, Retail Industry, Consumer Protection, Information Technology Industry, Science and Technology Latest business news