SCAN-TASTIC

Not only does the point-of-sale contain the most technology per square inch in the supermarket, it's also the only in-store destination visited by every consumer who enters the store and purchases a product.It's no wonder retailers are calling on front-end technology to perform an increasing variety of functions, from displaying frequent-shopper customers' names to providing on-the-job training and

Not only does the point-of-sale contain the most technology per square inch in the supermarket, it's also the only in-store destination visited by every consumer who enters the store and purchases a product.

It's no wonder retailers are calling on front-end technology to perform an increasing variety of functions, from displaying frequent-shopper customers' names to providing on-the-job training and computerized help screens for cashiers.

Nor can the more basic issues of throu

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