I'm interested to know at what the max distance and angle Face ID will be able to unlock at.
I did originally dismissed the idea as too slow, as I could have my phone unlocked before it's out of my pocket and good to go and without having to raise it closer than normal to read my face. If I'm sitting down, sure I'll bring it to my face normally, and with my normal grip waking it and swiping is easier than reaching for the home button. If I'm walking around my phone's pretty low (waist height), or sneaking a look in class/work under the table.
With using it down on a table I might want to check something quick, mail (fetch account), change song etc without having to pick it up, Just though I'd measure out, I'm sitting back in my chair I measured the top part of the phone 700mm away at around 25 degrees give or take to my face.