๐ The Science Behind Those Obama Campaign E-Mails – Businessweek
The Science Behind Those Obama Campaign E-Mails โ Businessweek โWe did extensive A-B testing not just on the subject lines and the amount of money we would ask people for,โ says Amelia Showalter, director of digital analytics, โbut on the messages themselves and even the formatting.โ The campaign would test multiple drafts and subject linesโoften as many as 18 variationsโbefore picking a winner to blast out to tens of millions of subscribers....