Create electronic panels indicating the gondola number with the product you are or want to buy to avoid questions to employees to avoid wasting the shopper's time and wasting the employees' time.

Put ringtones on shopping carts when they remain stationary in the store for a few minutes getting in the way of the hurried shopper causing the nonspending discussion of time-wasting customers.

Create cash registers that pay only with credit cards in order to avoid loss of time to the customer cause (not because of the cashier's fault) but because of the unwinding of cash on the way in and out.