[meyer]

"In seconds, the worker will be able to know what sizes are missing and will also be able tell what it has on hand in the stock room. Such instant knowledge will allow store clerks to have the right sizes on hand when shoppers need them."

This inventory is already automatically done at the register. When you buy a product, it is automatically removed from the store's inventory. They already know how many items are in stock. There's another motive for this.

[cynwoody]

This inventory is already automatically done at the register. When you buy a product, it is automatically removed from the store's inventory. They already know how many items are in stock. There's another motive for this.

There is. Ever hear of inventory shrinkage? That's when how many they had minus how many the sold is more than how many they have. Past the cash registers is not the only way out of the store, you see.