US Patent 7672876 System for shopping in a store

A system for shopping in a store is provided that includes a multi-network for communications in a store, a shopping cart that weighs items placed therein and then transmits that weight information through the multi-network, and a wireless end device that may be handheld and/or releasably attached to the shopping cart whereby a shopper uses the wireless end device to send and receive information to the store though the multi-network.