Video screens the size of what one unnamed retailer is about to debut in Chicago are a long way from the pioneer of this medium: Checkout Channel. Customized TV programming from CNN was delivered to 13-inch monitors at the checkout lanes of supermarkets. Advertising was repeated every 10 minutes.
al mass of 3,000 stores was better spent on new investments in its core cable business.
Supermarket veterans remember other reasons: One, the audio was difficult to control (indeed,