Card surcharges are gone, but will consumers actually save money?

Card surcharges are banned from Thursday, in one of the biggest shake-ups to Australia's payment system in years. The change is expected to save consumers around 1.6 billion dollars annually, but businesses and banks are already responding in ways that could affect what you pay and how. What does the ban actually cover, and what could it mean for prices, credit card rewards, and the way Australians pay?