3 ms·Strongly disagree. A reasonable grace period of under a second seems much safer.by eli 10y agoStrongly disagree. A reasonable grace period of under a second seems much safer.iaw 10y agoYour internet sarcasm is strong.eli 10y agohttp://blogs.lse.ac.uk/usappblog/2014/03/04/countdown-signals-traffic-accidents/ http://blogs.lse.ac.uk/usappblog/2014/03/04/countdown-signal...