By now you’ve seen it: baby formula, shampoo, toothpaste and even basic toiletries locked behind cabinets by retailers to prevent theft. When you want to buy an item, you press a button and wait for an employee to unlock it. Depending on the store, you might be waiting for a while. While this crime prevention strategy may deter theft, it is also preventing something else: sales. Recent studies show that customers are fed up with locked-up merchandise, and many are considering shopping elsewhere ...