Just came back from the States after a week of training. Hmmm… just realised that they do indeed hire people to return trolleys back to their original locations!
Shoppers leaving the trolleys in the carpark after shopping
Trolley pushers pushing the trolley back to its original location
Was just reminded of my earlier article at:
http://james.com.sg/2011/04/22/getting-our-trolleys-to-line-upalignment-of-incentives/