Are you ready for Tap-the-Shuttle Challenge? The highest count of taps under 30 seconds is 74 till now. We think you can beat that. If you think so too then send in your entry, tag Visa & use #SmashItSindhu. https://www.millioncheers.com/ | Visa

Col. Carlyle Harris was a prisoner of war for 2,871 days during the Vietnam War. He is credited with introducing 'tap code,' a form of communication that he and his fellow brothers in arms used to relay secret messages. This is his story as told by Airman Magazine | U.S. Department of Veterans Affairs