Contact-less cards, embedded in mobile phones so that you can swipe them instead of your pre-paid card. Pre-payment is good because it makes public transport easier to pay for and moves payment queues along a bit quicker. Can also help the operation of the transport operator by minimising cash handling, so an all round good thing really.
About Jeremy Green
Jeremy is an independent telecommunications analyst with a strong interest in M2M/Internet of Things, with a focus on transport and Smart City applications, the use of ICT to reduce and mitigate climate change, the medium-term future of the telecoms industry, including new roles for operators, and the evolution of voice services.