How Obama's campaign tested: http://blog.optimizely.com/2013/01/15/how-obamas-campaign-team-sourced-ab-tests-from-user-feedback/ http://blog.optimizely.com/2013

How Obama's campaign tested: http://blog.optimizely.com/2013/01/15/how-obamas-campaign-team-sourced-ab-tests-from-user-feedback/ http://blog.optimizely.com/2013/01/15/how-obamas-campaign-te...