A bill is advancing through the Massachusetts legislature that will allow supermarkets to leave off item price tags and instead force customers to rely on electronic scanners spaced throughout the store. Although prices will still need to be displayed on store shelves for most items, you’ll have to rely on your memory and your faith in the store’s scanner system at checkout. John Hurst, the president of the Retailers Association of Massachusetts, “said consumers will benefit in the form of lower prices and shortened lines once stores no longer need to devote resources to item-by-item pricing.” But kjd aa- [thump]