Lamarr and Anthiel received a patent in 1941, but the enormous significance of their invention was not realized until decades later. It was first implemented on naval ships during the Cuban Missile Crisis and subsequently emerged in numerous military applications.
Cash back credit card reward programs started out rather simply, offering a flat percentage rate (typically 1 percent of purchases) rebated back to the customer in the form of a check at the end of the year or a statement credit.
if you wish to get cash back when making a purchase swipe your card and push the debit button select the cash back amount you want from the screen options enter your pin and then take your cash and receipt please note that some merchants may charge a fee for cash back transactions