On: Your phone may soon replace many of your passwords

[FinnKuhn]

I think many people enjoy the option of using their phone, but don't like that they HAVE to use it. For example for most occasions you have your phone on you, but for example when it is broken or empty not having an alternative would be really annoying.

[dylan604 → FinnKuhn]

just like in software, ensure that there's a graceful fallback for any techy convenience in the physical world.