‘Spying Billboards’ Under Fire for Tapping Into People’s Cellphones Prison Planet.com Posted on May 2, 2016 Posted in Aggregated No Comments Tagged with Prison Planet AP | A U.S. senator is calling for a federal investigation into an outdoor advertising company’s latest effort to target billboard ads to specific consumers. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email