It's not a bulletproof idea of course, can be gamed. Users could take a screencap, or copy-paste, before the timer is up. But that's probably not worth worrying about until the model becomes widespread.
It's not a bulletproof idea of course, can be gamed. Users could take a screencap, or copy-paste, before the timer is up. But that's probably not worth worrying about until the model becomes widespread.