Except with the randomness you won't know if the window is 5 seconds or 10 or anything in between. So sure you could send in your bit at 4.99 seconds but it wo

Except with the randomness you won't know if the window is 5 seconds or 10 or anything in between. So sure you could send in your bit at 4.99 seconds but it won't matter if you're a few microseconds off.