Cindy ^^ asked: I know that when we shop at Wal-mart, the shopping cart can accumulate the amount of all the bought items automatically. Therefore, the customers don’t have to wait in lines and spend time. Who is the supplier of this system? I also want to know its website. Thanks.

The Tramp™ asked: I’m a cart pusher for Wal-Mart and a college student. I’ve heard that there are some Wal-Mart stores using a shopping cart management system called Verlok. The mechanism has a slot where you insert a quarter ($0.25) and then remove a key from the mechanism and then the cart can be taken [...]