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.
Get your cash back as a direct deposit to a checking or savings account or a statement credit to your AARP Credit Card from Chase account â whichever is the most convenient for you. Cash back can be redeemed starting at 2,000 points, which equals $20.