Marks & Spencer this week will start rolling out free in-store collection at more than 100 of its Simply Food outlets in motorway service stations, railways, hospitals and airports, making it even easier for customers to shop online. The first new collection points will include Simply Food stores at King's Cross, Manchester Piccadilly and Cardiff Central railway stations. Collection from Heathrow Terminals One, Two, Three and Five, as well as sites at Gatwick, Luton, Birmingham, Edinburgh and Stansted airports will be available later this summer. The announcement comes just days after rival John Lewis said that it would start charging customers £2 to collect online orders in store, citing "unsustainable" and "bonkers" web-based business models.