LAST KA-CHING: Stores across the country are ditching the old-fashioned, clunky machines and having salespeople — and even shoppers themselves — ring up sales on smartphones and tablet computers
SPEEDIER SERVICE: Retailers are responding to the increasing demands of shoppers, who are buying and searching on tablets and smart phones and are looking for a similar speedy service in the stores.
WAVE ON THE WAY OUT: Analysts believe that mobile checkout will become commonplace in the next two to four years.
