The league would use the tech as their primary way to determine if the ball had crossed the first-down line.
nypost.com
I don't understand why it took this long, other than the chain gang was a tradition that the league wanted to hold on to, which isn't a bad argument for keeping it, but it's time to get into the 21st century.
What?! I can't remember the last time I saw one. In college games either.
The article doesn't explain why it might not prevent that situation from occurring again.
No **** Dick Tracy! It is funny though that everybody's worried about getting the spot exactly right but nobody ever generally complains about refs eyeballing the spot. They only complain after controversial plays.
They could have a laser beam going across the field to help the refs to exactly spot the ball. Is that what's gonna happen?