Opinion: Blurred lines

Once upon a time in the grocery industry, wholesalers like Makro
supplied corner shops and just the occasional flash type with a
membership card and big chest freezer.
The rest of us shopped at the then modest supermarkets that were
already squeezing small grocers out of business.
But Makro was sold to fellow wholesaler Booker, which this year
became part of the Tesco retail empire. Across the western world in
the grocery sector, the line between business customers and
consumers...