After 13 months of operation, The New York Times just discontinued its Election 2012 mobile app -- but not before learning a bunch of lessons, according to Times emerging platforms editor Fiona Spruill, interviewed here. For example, it helps to have a real live human editor working on the app, and "HTML5 makes everything better," writes Adrienne La France. "Election night itself brought one significant tipping point for the Times: The first moment in its history when its digital audience skewed mostly mobile."