The supermarkets will use the electronic scanning systems already in use at checkout counters.

Once, the supermarkets used to compete for the best choice, but it hasn't been on the shelves for years.

Not all states permit wine sales in supermarkets and not all supermarkets use scanners.

But that's about as interesting to me as learning that my supermarket uses trucks to get things from the warehouse.

"If the supermarket uses discount cards, and people have them, they should have records of their purchases, and that will indicate very clearly whether they paid the tax," he said.

In Austria, supermarkets were using plastic bags that are solar biodegradable after 90 days.

Using association rule learning, the supermarket can determine which products are frequently bought together and use this information for marketing purposes.

Once again, supermarkets are using fluctuations in price to pocket bigger profits for themselves.

Technically it is called a "boneless chuck shoulder center cut steak", but supermarkets usually use the shorter and more memorable term: "Ranch steak".

Ocean State Job Lot often leases buildings where previous supermarkets or discount stores used to be located.