If you drive through Las Vegas, all the billboards are about casinos. If you drive through farm country, all the billboards are about the local cash crop.
Advertisers target the people likely to see the ad and spend money on the topic. Billboards are extremely geographically restricted, so local interest dominates. This isn't really news.
Advertisers target the people likely to see the ad and spend money on the topic. Billboards are extremely geographically restricted, so local interest dominates. This isn't really news.
And yes, they are annoying.