Trains, buses, trams and ferries are all popular places to get around with Octopus, whether it's on a card, a phone or a watch Since the Octopus card was released nearly two decades ago, its use has branched offinto much more than just transport Forgot your wallet purse or cash? Not to worry. The Octopus can buy your coffee, a movie ticket, clothes, groceries and even allow you to shop online.