Lidl has made a change to its loyalty scheme offering shoppers extra discounts. Each week, customers can now make savings on their food shop when they scan their Lidl Plus App at the till. The supermarket chain is introducing Lidl Plus Offers which gives exclusive additional discounts for all loyalty scheme members. Loyalty scheme member are also benefitting from “coupons” in the Lidl Plus app, which are personalised offers that have to be activated before people use them. The process enables Lidl to collect data on the discounts they activate most, as well as their shopping habits, in order t…