By the way, there is an interesting discussion about this on Capital & Growth: https://capitalandgrowth.org/questions/1334/are-billboards-really-holding-their-

By the way, there is an interesting discussion about this on Capital & Growth: https://capitalandgrowth.org/questions/1334/are-billboards-really-holding-their-own-against-di.html https://capitalandgrowth.org/questions/1334/are-billboards-r...