NanoLumens Engages Commuters at New York's Penn Station Advertisers are constantly looking for new ways to capture and hold the attention of harried and hurried daily commuters, and nowhere is this more apparent than in New York City's Penn Station, North America's busiest transit center. To capitalize on the massive daily audience that passes through the station, CBS Outdoor turned to NanoLumens to provide a solution that can't be missed. More»