Which year are you in? azithromycin 500 pille wirkung Neil Saunders, managing director of retail research agency Conlumino, said: “The schemes give the grocers a very simple and effective message that they can push to customers, which is: we are the cheapest or as cheap as other supermarkets. The detail behind the scheme means this headline is not strictly true, but it is a good way of conveying value.”