Public Service Announcements. With the current payphone contract, 3% of advertising space is saved for the City to share information with the citizenry.
With the NYCDataWell, why not rotate PSAs more? And why not personalize it?
Last week, I was riding the subway and saw a PSA poster saying that a 20 oz soda will require a typical adult to walk from Times Square to Yankee stadium to burn off the calories.
With a Personalized Service Notification, maybe my current profile (age, gender, typical commute route) can be used to make the calorie calculation more relevant.
I couldn't find a digital copy of the poster, but here's a YouTube ad from the same "Pouring on the Pounds" campaign.