OMNY is neat. You do not need to turn your phone's screen on to use it, and it works for a while after your phone's battery dies.
It is still slower than what I'm used to in Japan, where people have been paying for transit with their phone since 2001 or 2002. (Tokyo also went from 50-ish pilot stations to 500 production stations in just a few months. In New York, I think 2023 is the estimated completion date?)
