Supermarkets, everyone has their favourite. However some new players in the market have definitely shaken things up. We've seen the rise of 'budget' supermarkets such as Aldi and Lidl becoming the new popular way to shop, Aldi recently overtook Co-op to become the UK's fifth largest grocer. So where does this leave the more 'high-end' supermarkets such as Waitrose? It was reported yesterday that Waitrose is planning to close some of it's stores, so could this mean the beginning of the end of the 'middle-class' supermarket? Fraser McKevitt, head of retail and consumer insight at Kantar Worldpanel gave Share Radio his analysis.