Roadside Signs

We are travelling for my sister's wedding this week. Our journey started in Marshall and is currently resting in Rapid City, SD. All the way across South Dakota, I have seen billboards regarding faith. Some have been "messages from God". Others have been scripture. Still others have been condemnations. I wonder the impact of those signs on others. Do people read them? Do people jot down a scripture reference for later review? and if they do, do they follow up?

Some of the billboards I find interesting. Many I find offensive. None of them have I ever followed up on once I wke me.as home, although I have written down scriptures. It just didn't carry over the impact strong enough for me to finish off the process. I wonder how many people are li