I was driving down the highway at night a few years ago, before digital billboards were as common here. I saw one with a dark background that I was struggling t

I was driving down the highway at night a few years ago, before digital billboards were as common here. I saw one with a dark background that I was struggling to read, but then it transitioned to a different ad with a bright white background. Instantly blinded. I was fortunate there weren’t a lot of cars around, because it took a few seconds to be able to see clearly again.