The article is all about the latest news that Clear Channel has partnered with several other companies to gather data on people’s travel patterns and behaviors through their mobile phones and Clear Channel billboards. This partnership is one example of how old school physical advertising is merging (and improving) with digital, as expressed in this quote from the story:
"In many ways, billboards are still stuck in the old-media world... Clear Channel Outdoor’s move is yet another attempt to modernize billboards and enable the kind of audience measurements that advertisers have come to expect."