[perardi]

And for a bit of a citation:

https://en.wikipedia.org/wiki/Presto_card

And from personal experience:

Jesus wept, Presto was a truly awful rollout, not least of which was the awful UX/UI of the terminals at the stations.

Oh, and of course, in 2021, you still cannot tap-to-pay using NFC on your phone. Now, that may not be Accenture’s fault; that could obviously and easily be the failure of sclerotic Canadian bureaucracy. But I would not be surprised if the back end simply does not support such a thing without another $50 million in consulting fees.