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.
The new Green Dot Cash Back VisaÂ® Debit Card. It's time to put some money back in your pocket with our new rewards card. With the Cash Back Visa Debit Card you can earn 5% cash back on all your purchases, up to $100 annually. And cash back is just the start. Deposit checks from your smartphone.