Changing Skyline: Digital billboards a challenge to Philadelphia's ability to regulate signs
Posted on Friday, Feb 08, 2013
You might think television sets can't get any bigger than they already are, yet last week, Philadelphia came close to installing one of the world's largest: a seven-story-high digital screen on the south facade of the Electric Factory building at Seventh and Callowhill Streets. Instead of broadcasting your favorite shows, this jumbo tube would have beamed advertisements across the city 24 hours a day.