New BBC research into who owns the High Street prompts government announcement on a new register for landlords.Read more
Radio 4 You and Yours Reporter
The BBC visits an M&S store that is closing and another that is seen as the future.
A supermarket is being piloted in London which has no tills, with customers expected to pay by app.
Supermarkets dominate the world of food shopping but who first had the idea of a supermarket?