Indeed, M&S revolutionised the sandwich in public purchase, and lots of small shops did that too, especialy in university towns like Oxford, and London. Then PR

Indeed, M&S revolutionised the sandwich in public purchase, and lots of small shops did that too, especialy in university towns like Oxford, and London. Then PRet a Manger came along and did more, and other more mainstreamish places have followed along, if not as well. Sandwiches in the UK have never been better.