yes, the article mentions coupons briefly, which are ancestors and a very large ...

		mistrial9 on Dec 14, 2021 \| parent \| context \| favorite \| on: More than you want to know about gift cards yes, the article mentions coupons briefly, which are ancestors and a very large topic. Diligent literature search turned up very little. The way the money is actually handled is trade secret it seems. This is a very old aspect of money handling in retail.