I bought a few maternity clothes and they asked if they could take my details for marketing and refund purposes - I said no as I don't live anywhere near a shop so will be unlikely to go again (I had tried them on). The sales assistant then said she needed my postcode to process the sale. When I asked if they were refusing to sell me the clothes she had to call someone else over to show her how to process the sale without my details. I'm quite happy to be asked but I don't see why it should be assumed that I'll give all my details to this shop.