Bar-codes, electronic point sale systems, hand-held terminalsˇ information technology has transformed UK retailing.
At Marks & Spencer's IT centre, mainframe computers monitor what's been sold in all its stores and order up new stock.
Computers control every step of the M&S national distribution system. And IT isn't confined to inside the supermarket, but also links it to suppliers. We visit one of M&S's suppliers where computers also control the whole manufacturing process.
M&S has an Internet-based shopping system so you can even buy from the comfort of your home.
IT makes superstores more efficient and powerful - but what about the impact on the environment and smaller shops?
Review
~ "Extremely impressed. I would definitely recommend TV Choice to other schools and colleges." - S Ellis, Head of ICT, Shiplake College.
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