During the summer, OfA chief data scientist Rayid Ghani and analyst Matt Rattigan brought the technology team a prototype piece of software. More a simple script, really, the prototype took a given supporter's Facebook ID, scanned the supporter's Facebook friends, checked what the campaign knew about those friends and returned content the campaign might want to put in front of them. By midsummer, they had a tool to spread content for the campaign that staff say was more than twice as effective as a traditional banner ad. Read More