What are loyalty cards?

Used in the marjority by retailers a "Loyalty Card" is used to award points or financial incentives to customers frequenting its business. Howevr, the card will also allow the retailer to track the shopping habits of its cusotmers and where it feels appropriate will issue coupons, offers etc based on those habits. It is especially useful for prompting customers back to their business when analasysts note that footfall by that customer is dropping off.