Street smarts. Most dogs have them—now billboards have them too. 🐾Using pheromones and what looks like a very fancy urine testing system, Purina let owners test their dog’s health with just a lift of the leg. This campaign from McCann Paris + Weber Shandwick Paris + Neuilly sur Seine took home a #TheOneShow Merit—what do you think? Is this use of data and outdoor ads absolutely pawfect...or still a little ruff? This year’s #OS50 is open for entries! Next deadline 11/4.